wings-wing
n.翅膀 v.飛,飛行
One or both wings are held in an abnormal position, suggesting injury.
它的一只或兩只翅膀的位置不正常,表明它已受傷了。
wealthy
adj.富有的
Technological advances always affected the homes of the wealthy first, filtering downward into the urban middle class.
富裕家庭永遠(yuǎn)是第一個(gè)從技術(shù)發(fā)展中收益的,隨后再發(fā)展到城鎮(zhèn)的中產(chǎn)階級(jí)。
virtually
adv.事實(shí)上, 實(shí)質(zhì)上
The land surrounding Boston had always been poor farm country, and by the mid-eighteenth century it was virtually stripped of its timber.
波士頓附近一直是貧瘠村莊,但到18世紀(jì)中期,這里已經(jīng)不再生產(chǎn)木材了。
trading-trade
n.貿(mào)易;商業(yè) v.交易
Individual explorers were not as successful at locating games as were the trading companies.
與貿(mào)易公司相比,探險(xiǎn)者在定位獵物方面還不太成功。
survey
n.調(diào)查v.調(diào)查, 測(cè)量
surveyor
n.檢查員
Work on early tools, surveys of paleoanthropological sites, development and testing of broad ecological theories,
對(duì)早期工具進(jìn)行研究,勘探古人類遺址,發(fā)展生物理論研究,
and advances in comparative primatology are contributing to knowledge about this central chapter in human prehistory.
靈長(zhǎng)類動(dòng)物學(xué)研發(fā),這些都對(duì)揭開人類史前中篇起到作用。
sufficient
adj.充足的
sufficiently
adv.充分地
insufficient
adj.不夠的
Nesting material should be added in sufficient amounts to avoid both extreme temperature situations mentioned above and assure that the eggs have a soft, secure place to rest.
我們應(yīng)該補(bǔ)充充足的筑巢材料,防止上述所說的極端天氣,保證它能夠在安全,舒適的地方孵蛋。
suck
v.吸
Consequently, tunas do not need to suck in water.
金槍魚不需要吸入大量水。
storage
n.保管
All organisms, therefore, allocate energy to growth, reproduction, maintenance, and storage.
所有有機(jī)體都用于生長(zhǎng)、繁殖、維護(hù)以及儲(chǔ)存。
spontaneous
adj.不由自主的
However, for many years physicists thought that atoms and molecules always were much more likely to emit light spontaneously and that stimulated emission thus always would be much weaker.
多年以來,物理學(xué)家一直認(rèn)為原子和分子可同時(shí)發(fā)光,并可刺激釋放。
sophisticated
adj.成熟的;繁復(fù)的
sophistication
n.老于世故;復(fù)雜
In addition to their sophisticated technical culture, they also attained one of the most complex social organizations of any nonagricultural people in the world.
除了他們復(fù)雜的技術(shù)文化,他們還參與了非農(nóng)業(yè)社會(huì)組織中。
skull
n.頭蓋骨
The skull also lacks a blowhole, another cetacean adaptation for diving.
顱骨上缺少一個(gè)可以進(jìn)行適應(yīng)性潛水的排氣孔。
shells-shell
n.貝殼
eggshell
n.蛋殼
shellfish
n.貝; 有殼的水生動(dòng)物
Of particular made from the larger mussel shells, and a variety of cutting edges that could be made from other marine shells.
它是通過貽貝殼制作而成,我們也可以通過其它海洋貝殼來制作切片。
semiarid
adj.半干旱的
arid
adj.干燥的
This region has a semiarid climate, and for 50 years after its settlement, it supported a low-intensity agricultural economy of cattle ranching and wheat farming.
這里有著半干旱的氣候,在人們定居50年后,它支撐了一個(gè)以畜牧業(yè)和小麥種植為主的低密度農(nóng)業(yè)經(jīng)濟(jì)。
script
n.手稿, 劇本
Unfortunately, we have no Old European Rosetta stone to chart correspondences between Old European script and the languages that replaced it.
不幸的是,我們沒有羅塞塔石碑來記錄古代歐洲手跡和取而代之的語言。
plankton
n.浮游生物
If, for example, something were to happen to destroy much of the plankton in the oceans, then the oxygen content of Earth would drop,
比方說,如果海洋浮游生物遭到大面積破壞,那么地球的氧氣含量將會(huì)減少,
affection even organisms not living in the oceans.
海洋里的生物體也會(huì)因此而滅亡。
participants-participant
n.關(guān)系者
participated-participate
v.參加
participation
n.分享, 參與
Causing participants in experiments to smile, for example, leads them to report more positive feelings and to rate cartoons
比如,讓參與實(shí)驗(yàn)的人們微笑,他們會(huì)表現(xiàn)的更加積極,
(humorous drawings of people or situations) as being more humorous.
他們?cè)u(píng)價(jià)圖片相對(duì)而言更加風(fēng)趣幽默。
naturally
adv.自然地
naturalist
n.自然主義者
naturalistic
adj.自然主義的
Whig and Democratic areas of influence were naturally split between urban and rural areas, respectively.
輝格黨和民主黨的分布區(qū)域分別以城市和農(nóng)村為界分布。
musicians-musician
n.音樂家
Like all artists, jazz musicians strive for an individual style, and the improvise or paraphrased is a jazz musician's main opportunity to display his or her individuality.
像所有藝術(shù)家一樣,爵士音樂家渴望獨(dú)有藝術(shù)風(fēng)格,即興表演或釋義是他們展現(xiàn)自我風(fēng)格的主要機(jī)會(huì)。