Polyamine
n. [化]聚胺,多胺
🔁 扩展释义
【化】 多元胺【医】 聚胺
🗣️ 情景例句
I feel uncomfortable about it.
我对此感到满别扭的。
A good marksman may miss.
智者千虑，必有一失。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，