fluctuate v.波動(dòng)；變動(dòng)
同alternate, wave
Some investors panic when stock prices fluctuate wildly.
當(dāng)股票價(jià)格大幅波動(dòng)時(shí),一些投資者便開(kāi)始恐慌起來(lái)。
gainsay v.否認(rèn)
同deny, disagree
There was no gainsaying the astronomer's knowledge about the planets.
這位天文學(xué)家對(duì)于行星的知識(shí)是毋庸置疑的。
*astronomer n.天文學(xué)家
hybrid n.混種；混血兒
同half-breed, mixture
Scientists have developed a hybrid of rice that is more resistant to diseases and insects.
科學(xué)家已開(kāi)發(fā)出一種對(duì)疾病與蟲(chóng)害更具抵抗力的雜交水稻。
idiom n.習(xí)語(yǔ)；慣用語(yǔ)
同expression, phrase
When studying a foreign language, idioms are often the most difficult thing to learn.
學(xué)習(xí)外語(yǔ)時(shí)，習(xí)語(yǔ)常是其中最難學(xué)的部分。
Inappropriate adj.不適合的
同unsuitable, improper, unfit, incongruous
This movie is very violent and is inappropriate for children to watch.
這部電影暴力傾向嚴(yán)重，不適合兒童觀看。
innocuous adj.無(wú)害的
同harmless, inoffensive, vapid, insipid, innocent
I don't understand how such an innocuous children's book could cause such an uproar.
我不明白為何這本對(duì)兒童無(wú)害的書(shū)竟會(huì)引起如此的騷動(dòng)。
*uproar n.騷動(dòng)
jerk n.拉扯
同twitch, pull, yank
I felt a jerk on my sleeve, then realized it was just a tree branch.
我覺(jué)得有人拉我的袖子，后來(lái)發(fā)現(xiàn)只不過(guò)是樹(shù)枝而已。
laconic adj.簡(jiǎn)潔的
同concise, compact, pithy, short, succinct
Henry's date was very laconic, only saying two sentences the entire evening.
亨利的約會(huì)十分簡(jiǎn)潔，整晚他只說(shuō)了兩句話。
lumber n.木材
同wood, timber, logs
A lot of lumber was needed to build the Smith's new house.
建造史密斯的新家需要大量木材。
magnify v.放大
同enlarge, expand, amplify, augment
Danny used a lens to magnify the tiny insect.
丹尼利用鏡片來(lái)放大那只微小的昆蟲(chóng)。*lens n. (pl.)鏡片
同alternate, wave
Some investors panic when stock prices fluctuate wildly.
當(dāng)股票價(jià)格大幅波動(dòng)時(shí),一些投資者便開(kāi)始恐慌起來(lái)。
gainsay v.否認(rèn)
同deny, disagree
There was no gainsaying the astronomer's knowledge about the planets.
這位天文學(xué)家對(duì)于行星的知識(shí)是毋庸置疑的。
*astronomer n.天文學(xué)家
hybrid n.混種；混血兒
同half-breed, mixture
Scientists have developed a hybrid of rice that is more resistant to diseases and insects.
科學(xué)家已開(kāi)發(fā)出一種對(duì)疾病與蟲(chóng)害更具抵抗力的雜交水稻。
idiom n.習(xí)語(yǔ)；慣用語(yǔ)
同expression, phrase
When studying a foreign language, idioms are often the most difficult thing to learn.
學(xué)習(xí)外語(yǔ)時(shí)，習(xí)語(yǔ)常是其中最難學(xué)的部分。
Inappropriate adj.不適合的
同unsuitable, improper, unfit, incongruous
This movie is very violent and is inappropriate for children to watch.
這部電影暴力傾向嚴(yán)重，不適合兒童觀看。
innocuous adj.無(wú)害的
同harmless, inoffensive, vapid, insipid, innocent
I don't understand how such an innocuous children's book could cause such an uproar.
我不明白為何這本對(duì)兒童無(wú)害的書(shū)竟會(huì)引起如此的騷動(dòng)。
*uproar n.騷動(dòng)
jerk n.拉扯
同twitch, pull, yank
I felt a jerk on my sleeve, then realized it was just a tree branch.
我覺(jué)得有人拉我的袖子，后來(lái)發(fā)現(xiàn)只不過(guò)是樹(shù)枝而已。
laconic adj.簡(jiǎn)潔的
同concise, compact, pithy, short, succinct
Henry's date was very laconic, only saying two sentences the entire evening.
亨利的約會(huì)十分簡(jiǎn)潔，整晚他只說(shuō)了兩句話。
lumber n.木材
同wood, timber, logs
A lot of lumber was needed to build the Smith's new house.
建造史密斯的新家需要大量木材。
magnify v.放大
同enlarge, expand, amplify, augment
Danny used a lens to magnify the tiny insect.
丹尼利用鏡片來(lái)放大那只微小的昆蟲(chóng)。*lens n. (pl.)鏡片