Hydroxytryptamine
n. 含于血液中的复合胺
🗣️ 情景例句
Well, my choice of careers.
是的， 我的事业抉择问题。
One may think that dares not speak.
人可思其不敢言者。
He has pointed out that the tree is a useful source of income as tour-ists have been coming from all parts of the country to see it.
他指出，由于人们从全国各地纷纷前来参观这棵树，