Emetology
[医] 催吐学, 催吐药物学
🗣️ 情景例句
It's not easy, but what is?
这不容易， 但什么事又容易了？
Rain before seven: fine before eleven.
早雨不过午。
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。