mouthful /ˈmaʊθˌfʊl/ TEM4

• 1. 

  N-COUNT A mouthful of drink or food is the amount that you put or have in your mouth. 一口 (食物或饮料)

  例：

  She gulped down a mouthful of coffee.

  她咽下了一大口咖啡。

• 2. 

  N-SING If you describe a long word or phrase as a mouthful, you mean that it is difficult to say. 长而绕嘴的字词 [非正式]

  例：

  It's called the Pan-Caribbean Disaster Preparedness and Prevention Project, which is quite a mouthful.

  它被称为泛加勒比海灾难准备及预防计划，挺绕嘴的一个名字。