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(8)

　　For most of the earth's history they havebeen the only form of life on our planet. As Earth-dwellers, we always cherish thehope that we will be visited by little green men and that we will be able tocommunicate with them. But this hope is always in the realms of science fiction.

　　22.For most of the earth's history they have been the only form of life on our planet.

　　在地球上發(fā)展的大部分進(jìn)程中，細(xì)菌是地球上唯一的生命形式。

　　23.As Earth-dwellers, we always cherish the hope that we will be visited by littlegreen men and that we will be able to communicate with them.

　　作為地球上的居民，我們總存有這樣的希望：小綠人來(lái)拜訪我們，而我們可以和他們交流。

　　24.But this hope is always in the realms of science fiction.

　　但是，這種希望總是只在科幻小說(shuō)中存在。