How can scientists detect a particle that interacts so infrequently with other matter?
科学家们是如何探测到一种很少与其他物质相互起作用的粒子的呢?
When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress-associated proteins and other materials in their tissues.
当它们发现干旱期延长时,它们会改变自己的新陈代谢,在它们的组织中产生糖和某些与应激相关的蛋白质和其他物质。
On the couple's second kiss, scientists were able to detect the volume of bacteria transferred to the other partner.
科学家能测出情侣在第二次接吻时转移细菌的总量。
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