Thrombotonin
5-羟色胺
🗣️ 情景例句
Always full of surprises.
总是出人意表。
I'm going to wear my blue suit.Is that all right?
我想穿我蓝色的西装，那合适吗？
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。