president
n.總統;院長
presidency
n.總統職位
presidential
adj.總統的
The Lewis and Clark expedition, sponsored by President Jefferson, was the most important official examination of the high plains and the Northwest before the War of 1812.
由杰弗遜總統支持的劉易斯和克拉克遠征發生在1812年獨立戰爭之前,它是對高平原以及西北部地區最為重要的一次官方科考行動。
ordinary
adj.平常的
extraordinary
adj.非常的
Ordinary meteoric water is water that has soaked into the ground from the surface, from precipitation (rain and snow) and from lakes and streams.
普通氣象水會從地表、雨雪湖泊和河川滲入地下。
minerals-mineral
n.礦物adj.礦物的
Research has shown that certain minerals are required by plants for normal growth and development.
研究表明,某些礦物質是植物正常生長發育所必需的。
livestock
n.家畜
This economic reliance on livestock in certain regions makes large tracts of land susceptible to overgrazing.
在某些地區,家畜是人們的主要經濟來源,大量土地因此而遭受過度放牧風險。
introductory
adj.介紹性的
An introductory sentence for a brief summary of the passage is provided below.
上述信息對文章大意進行了介紹。
financial
adj.財政的
Financial problems loomed large in both the North and the South.
南方和北方都遭遇了財務困難。
employed-employ
v.雇用;使從事于;使用
employees-employee
n.職員
employment
n.雇用, 工作
employers-employer
n.老板
Thomas Newcomen, embodied revolutionary principles, but it was so slow and wasteful of fuel that it could not be employed outside the coal mines for which it had been designed.
托馬斯·紐科門賦予了革命性的工作原理,但其效率低下且浪費燃料,無法在煤礦以外的地區使用,這與最初的設計期望背道而馳。
ecological
adj.生態的
Large meteorite impacts, such as one at the end of the Cretaceous period, can seriously affect climate, ecological niches, plants, and animals.
例如白堊紀末期發生的破壞型隕石撞擊,它對氣候、生態位、動植物造成了嚴重影響。
distribution
n.配給物;分發
distributed-distribute
v.分發;分配
Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.
比方說雕塑必須牢固,這就需要了解質量,重力分部和壓力的性質。
cucumber
n.黃瓜
Certainly no creature in the sea is odder than the common sea cucumber.
沒有哪種海洋生物比海深更獨特。
canopy
n.帳篷
Small climbing animals may reach twigs readily,
小型爬行動物可以輕易爬上樹梢,
but it is harder for them than for large climbing animals to cross the wide gaps from on tree crown to the next that typify the high canopy.
但與大型爬行動物相比,它們跨越樹冠“鴻溝”時會異常艱難。
conducted-conduct
n.行為;指導v.引導;管理
conductor
n.領導者
The particular symbolic significance of the cave paintings in southwestern France is more explicitly revealed,
也許研究者帕特麗夏·賴斯和安·派特森所做研究的結果
perhaps, by the results of a study conducted by researchers Patricia Rice and Ann Paterson.
更清楚地揭示了法國西南部的巖洞畫的特殊象征性意義。
appealing-appeal
v.要求; 吸引n.請求;吸引力
Neither party could win an election by appealing exclusively to the rich or the poor.
任何一個黨派若只討好窮人或富人都不可能贏得選舉。
academy
n.學院
academic
n.學者adj.學院的
Aside from perpetuating itself, the sole purpose of the American Academy and Institute of Arts and Letters is to "foster,
除了要長久存在,美國藝術與文學學會的唯一宗旨是“培育、
assist and sustain an interest" in literature ,music, and art.
協助以及保持”對文學、音樂和藝術的興趣。