新概念英語(yǔ)第三冊(cè)逐句精講語(yǔ)言點(diǎn) 第55課 來(lái)自地球的問(wèn)候(5)

　　The development of such a telescope will be one of the greatastronomical projects of the twenty-first century.

　　It is impossible to look for life on another planet using earth-based telescopes. Ourown warm atmosphere and the heat generated by the telescope would make itimpossible to detect objects as small as planets.

　　13.The development of such a telescope will be one of the great astronomical projectsof the twenty-first century.

　　而開發(fā)這樣一臺(tái)望遠(yuǎn)鏡將會(huì)是21世紀(jì)天文學(xué)的一個(gè)重要的研究課題。

　　語(yǔ)言點(diǎn):sth.will be one of the great projects of的意思是“某事將成為…的重要研究課題之一。”

　　14.It is impossible to look for life on another planet using earth-based telescopes.

　　使用放置在地球上的望遠(yuǎn)鏡是無(wú)法觀察到其他行星的生命的。

　　語(yǔ)言點(diǎn):句子結(jié)構(gòu)分析:it is impossible to do這個(gè)結(jié)構(gòu)已成為一個(gè)較為固定的it作形式主語(yǔ)的表達(dá)方式，通常放在句首。

　　15.Our own warm atmosphere and the heat generated by the telescope would make itimpossible to detect objects as small as planets.

　　地球周圍溫暖的大氣層和望遠(yuǎn)鏡散出的熱量使得我們根本不可能找到比行星更小的物體。