Demethylcephalotaxine
去甲三尖杉碱
🗣️ 情景例句
It's just a little present for Max.
这仅仅是给Max的一件小礼物。
have you invited any friends?
你邀请朋友吗？
We often speak of tramps with contempt and put them in the same class as beggars, but how many of us can honestly say that we have not felt a little envious of their simple way of life and their freedom from care?
但是，我们中有多少人能够坦率地说我们对流浪汉的简朴生活与无忧无虑的境况不感到有些羡慕呢？