biological activity

常见例句

In surveying potential candidates for "new Earths," astronomers look for traces of biological activity, such as the presence of oxygen.
在可能成爲 “新地球”的調查對象中，天文學家搜尋生物活動的跡象，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.
對於那些正在尋找地外生命的人來說，好消息是即使最後麥凱的解釋最後顯示確實有生物活動的跡象，卻仍然衹是一個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的人不贊成這個臨牀研究，他們認爲該臨牀研究對維生素使用了錯誤的形式，他們說每種維生素的八種形式都有自己的生物活性。

But the landers found no other signs of biological activity, nor any organic compounds.
NEWYORKER: The Martian Chroniclers
Soil is, in part, the product of biological activity (all those earthworms, and so on).
ECONOMIST: Spaceflight
Both landers had mechanical arms, to gather soil samples, and built-in labs to check for biological activity.
NEWYORKER: The Martian Chroniclers