retch

例句：

1. 1. The child retched up the sour milk.
   孩子把酸牛奶吐了出来。
2. 2. The old man retched at the smell of gas.
   老人对煤气的味道感到恶心。
3. 3. The snake retched as it was bitten by a hunter.
   蛇被猎人咬后，开始呕吐。