Endorphin
[化] 内啡肽
🗣️ 情景例句
I grew up in Beijing, but I was in Los Angeles for two years.
我在北京长大，不过在洛杉矶已呆了两年。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
Congratulations! The girls did very well, too.
祝贺你们！女同学也做得很好。