Xylopropamine
[化] 二甲苯丙胺; 赛洛丙胺
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
A mother's love never changes.
母爱永恒。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。