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- Discovering just one extraterrestrial civilization would have profound significance. 仅仅发现一个地外文明世界就会具有很深的意义。
- The type of wave that would carry an extraterrestrial civilization's signal would be oriented, or polarized, in one of two ways. 携带地外文明世界信号的那种类型的波可以用两种方法之一来确定其方向或偏振。
- FM: When Li Hongzhi finds out that people are popularly interested in and mystified by extraterrestrial civilization, he hurriedly introduced theories of the aliens into Falun Dafa. （女播音员） 当李洪志发现人们普遍对地外文明怀有浓厚兴趣和神秘感，便赶紧把外星人的概念引进他的法轮大法。
- The question of extraterrestrial civilizations seems to me entirely open. 外星文明的疑问对于我来说显然整个还是开始。
- UFOs are the result of the activity of extraterrestrial civilizations. 不明飞行物是由于活动的外星文明。
- Where extraterrestrial civilizations may be rare, there is something that is seemingly rarer still: A girlfriend. 虽说外星生命及其稀少，但还是有一种生命比它更稀少：女朋友。
- In the Universe there are many races and kinds of extraterrestrial civilizations, who look the same or look completely different than we do. 在宇宙里有许多族类和各种地外文明种类，与我们相比，他们看起来与我们毫无两样或看起来完全和我们不一样。
- Sirius may be one of the extraterrestrial civilizations that humanity will work with in the immediate future, maybe as soon as 2015 to 2025. 天狼星也许是人类将与之运作的外星文明其中之一。在立即的未来，也许就在不远的2015到2025之间。
- Extraterrestrial Civilization and Time Travel--Between Science and Fiction 外星文明与时空旅行:在科学与幻想之间--兼及一系列科幻电影
- Greece was the cradle of Western civilization. 希腊是西方文明的发祥地。
- The path of civilization is paved with tin cans. 文明的大道，是铺满了空罐头。
- The type of wave that would carry an extraterrestrial civilization's signal would be oriented, or polarized, in one of two ways 携带地外文明世界信号的那种类型的波可以用两种方法之一来确定其方向或偏振。
- These letters revealed her wit and civilization. 这些信流露出她的教养和才华。
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The ancient Egyptians had advanced civilization. 古埃及人曾经拥有高度文明。
- American civilization differs from ours. 美国的社会和生活方式和我们的不同。
- Ancient Greece was an advanced civilization. 古希腊是个先进的文明国家。
- Town life is the nurse of civilization. 城市生活是文明的摇篮。
- Presented a careful argument for extraterrestrial life. 提出关于地球外生命的详细论证
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师？
