Picomole
n. [化]皮(可)摩尔,微微摩尔,百亿分之一摩尔
🗣️ 情景例句
I have never confirmed that the Roswell base exists, but I can't deny it either.
我从没有说过拉兹威基地存在，但我也不会否认。
The question hung in the air.
这个问题仍悬而未决。
Take care. The pan's very hot.
当心，锅很烫。