Leptinidine
莱普亭定(生物碱)
🗣️ 情景例句
Haven't I seen you before?
我以前没见过你吗？
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
Then he sits and barks until someone lets him out.
这之后他就坐下汪汪叫起来，直到有人来把它放出去。