1 to let liquid (saliva) come out from the mouth, usually at the sight or smell of sth good to eat 淌口水，垂涎（通常在见到或闻到好吃的东西时）

2 drool (over sb/sth) to show in a silly or exaggerated way that you want or admire sb/sth very much 表现得过分痴迷: teenagers drooling over photographs of their favourite pop stars 对着心爱的流行歌星的照片发痴发呆的青少年