mouth-to-mouth

例句：

1. 1. The baby needs to be fed every few hours.
   宝宝需要每隔几个小时就喂一次。
2. 2. The old woman was feeding her pet dog with a bottle.
   那位老妇人正用瓶子喂她的宠物狗。
3. 3. The baby cried all night, and the mother couldn't feed him properly.
   那个婴儿整晚都在哭，母亲无法给他正确的喂食。