Leptinidine
莱普亭定(生物碱)
🗣️ 情景例句
Robbie, I want you to meet
Robbie，我要你见过
Friendship the older it grows the stronger it is.
友谊地久天长。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-