常見(jiàn)例句雙語(yǔ)例句In surveying potential candidates for "new Earths," astronomers look for traces of biological activity, such as the presence of oxygen.在可能成為 “新地球”的調(diào)查對(duì)象中,天文學(xué)家搜尋生物活動(dòng)的跡象,例如檢查是不是有氧氣。The good news for those who are looking for extraterrestrial life is that even though actual biological activity comes last on McKay's list, it does remain an intriguing conjecture.對(duì)于那些正在尋找地外生命的人來(lái)說(shuō),好消息是即使最后麥凱的解釋最后顯示確實(shí)有生物活動(dòng)的跡象,卻仍然只是一個(gè)引人注目的猜想而已。Some vitamin E enthusiasts object that the clinical studies used what they consider the wrong form of the vitamin, saying that each of the vitamin’s eight forms has its own biological activity.一些熱心研究維生素E的人不贊成這個(gè)臨床研究,他們認(rèn)為該臨床研究對(duì)維生素使用了錯(cuò)誤的形式,他們說(shuō)每種維生素的八種形式都有自己的生物活性。原聲例句On Earth,biological activity is very effective in making methane.權(quán)威例句But the landers found no other signs of biological activity, nor any organic compounds.NEWYORKER: The Martian ChroniclersSoil is, in part, the product of biological activity (all those earthworms, and so on).ECONOMIST: SpaceflightBoth landers had mechanical arms, to gather soil samples, and built-in labs to check for biological activity.NEWYORKER: The Martian Chroniclers 返回 biological activity