Serotonin
n. 血清素\\n[化] 5-羟色胺
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
He that trusts in a lie shall perish in truth.
相信谎话的人必将在真理前灭亡。
Hello, Mr Zhu. I've come to say goodbye. I'm leaving on Sunday.
你好，朱先生。我是来道别的。我星期天离校。