音标
英 [maʊθ , maʊð]   美 [maʊθ , maʊð] 

翻译
n.嘴；口；开口；河口
v.不出声说；装腔作势地说；喃喃地说

例句

My heart was in my mouth when I walked into her office. 

我走进她的办公室时，紧张得心都到了喉咙口。

He was breathing through his open mouth. 

他张着嘴呼吸。

He sat at the table, shovelling food into his mouth. 

他坐在桌前，一个劲地往嘴里塞吃的。