英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

precursor    音标拼音: [prik'ɚsɚ]
n. 先驱者,前导,先进者

先驱者,前导,先进者

precursor
n 1: a substance from which another substance is formed
(especially by a metabolic reaction)
2: a person who goes before or announces the coming of another
[synonym: {precursor}, {forerunner}]
3: something that precedes and indicates the approach of
something or someone [synonym: {harbinger}, {forerunner},
{predecessor}, {herald}, {precursor}]

Precursor \Pre*cur"sor\, n. [L. praecursor, fr. praecurrere to
run before; prae before currere to run. See {Course}.]
One who, or that which, precedes an event, and indicates its
approach; a forerunner; a harbinger.
[1913 Webster]

Evil thoughts are the invisible, airy precursors of all
the storms and tempests of the soul. --Buckminster.
[1913 Webster]

Syn: Predecessor; forerunner; harbinger; messenger; omen;
sign.
[1913 Webster]

166 Moby Thesaurus words for "precursor":
advance guard, agent, airhead, alterant, alterative, alterer,
ancestor, ancestors, announcer, antecedence, antecedency,
antecedent, anteposition, anteriority, apprentice, architect,
artificer, artist, author, avant-garde, battle line, beachhead,
begetter, beginner, bridgehead, buccinator novi temporis, builder,
catalyst, catalytic agent, colonial, colonist, colonizer,
conceiver, constructor, craftsman, creator, danger sign, designer,
deviser, discoverer, dominion, early bird, early comer,
early riser, early symptom, effector, engenderer, engineer,
executor, executrix, falling barometer, farthest outpost, father,
ferment, first arrival, first line, forefront, foregoer, foregoing,
forerunner, foreshadower, founder, front, front line,
front position, front rank, front-runner, gathering clouds,
generator, grower, harbinger, heading, herald, high sign,
homesteader, immigrant, inaugurator, industrialist, initiator,
innovationist, innovator, instigator, institutor, introducer,
inventor, journeyman, le pas, leading, leaven, line, maker,
manufacturer, master, master craftsman, messenger, modificator,
modifier, mother, nester, omen, organizer, originator, outguard,
outpost, outrider, past master, pioneer, planner, planter, point,
precedence, precedency, precedent, preceding, precession,
predecessor, preference, prefixation, preliminary sign, prelude,
premise, premonitor, premonitory sign, premonitory symptom,
presager, prime mover, priority, prodroma, prodrome, producer,
prothesis, prototype, quarantine flag, railhead, raiser, realizer,
red flag, red light, scout, settler, shaper, sire,
skull and crossbones, smith, sooner, spearhead, squatter,
storm petrel, stormy petrel, superiority, symptom, the lead,
thundercloud, thunderhead, top priority, transformer,
transmogrifier, urgency, van, vanguard, warning sign,
warning signal, wright, yeast, yellow flag, yellow jack


请选择你想看的字典辞典:
单词字典翻译
Precursor查看 Precursor 在百度字典中的解释百度英翻中〔查看〕
Precursor查看 Precursor 在Google字典中的解释Google英翻中〔查看〕
Precursor查看 Precursor 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • CNs Air Force One America250 GE 2026 at Flossmoor 3 28 26
    As screen captured from Steel Highway Railcam's Flossmoor live cam, CN 2026 quot;Air Force One quot; departs with New Orleans bound IM train Z19491 (I believe) passing the Metra Flossmoor station in late afternoon on Saturday 3 28 26 CN press release calls unit this quot;Air Force
  • Nostalgia History gt; A CNW SD45 in 1988 - Trainorders. com
    Chicago and North Western SD45 950 was leading a Union Pacific SD40-2 and a fresh Zito yellow SD50 had an eastbound on the Geneva Subdivision on 8 16 1988 Don Kalkman
  • SP Light helper at Pryor 1993 - Trainorders. com
    Southern Pacific helper set of rebuilt SD45T-2 #6868 and rebuilt SD45 #7515 head downgrade light at the RR West end of Pryor after helping a Westbound up to Cascade Summit on SP's Cascade Line in Oregon on September 17th, 1993
  • Tribute to the NYO W - 69 Years After the 29th of March 1957
    March 29, 2026 is the 69th anniversary of the last day of the New York, Ontario amp; Western Railway in New York State The last train order was made complete at 8:24 pm received at Norwich for Extra 805 south Ray McElligott copied the order sent via telegraph
  • Any New York Central Caboose available?
    I am looking into the possibility of finding a ex-NYC caboose for possible restoration wood-sided or steel Any ideas? Thanks in advance! Edited 1 time(s) Last edit at 03 29 26 15:22 by RRBMail
  • Nostalgia History gt; SPs First EMD Six Axle - Trainorders. com
    Southern Pacific's first EMD six axle locomotive built in 1952 as a demo unit Here is the elder statesman of the SP Roster working in Roseville yard in 1995 still earning it's keep Rosevillewas a super place to watch trains and a haven for older EMD's who had second careers as yard engines You
  • It may be cold and chilly but i had a good day - Trainorders. com
    First of all, someone told me on a YouTube chat for their pu tower camera that 24X was late He already ran by wyomissing before i got to reading With 24X down the drain i saw 33A go west, 10K came east followed by 28X and then 11K was the finale to end my day Today was the second time i saw 33A
  • Halifax, NS Area, January 21, 2026
    January 21 was the first time I got out for an extended day of chasing trains this year The weather forecast promised some sun, although it took a while for that to develop After getting the empty gypsum train (511) at Waverley on the Dartmouth Sub, I move up to the west end of S
  • Fall in Virginia - Trainorders. com
    Date: 03 28 26 17:07 Re: Fall in Virginia Author: B-LineRailfan
  • Nostalgia History gt; Crestline, OH - Trainorders. com
    In 1971 when Amtrak took over service, and it was the Broadway Ltd , they stopped at Crestline to change crews, but ignored Mansfield, a city then of 80,000 just 12 miles east PRR began running through long crews from Ft Wayne to Pittsburgh-Conway Yard as early as 1967, so Crest





中文字典-英文字典  2005-2009