Hydroxytryptophane
羟色氨酸
🗣️ 情景例句
We really enjoyed your company.
我们喜欢与你为伴。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
All right! Thank you very much. I'll give you a call.
好吧！非常感谢。我会给您打电话的。