Marevan
苄丙酮香豆素钠(抗血凝剂)
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
It took me over half an hour to get rid of him.
我花了半个多小时才摆脱了他的纠缠。