Valtomycin
美吡四环素, 甲吡四环素
🗣️ 情景例句
When did you come here?
是什么时候来这儿的？
He skinned his knee.
他擦破了膝盖的皮。
Drinks can be cooled by placing them on ice rather than adding ice to them.
可以把饮料置于冰块之上来冷却，而不是把冰块加进饮料之中。