"Mouth" in Engpsh can be pronounced as "maʊθ".
The word "mouth" came from Old Engpsh "mūð," which descended from Proto-Germanic "munþō."
Example sentences in Engpsh:
He opened his mouth to speak.
(他张开嘴说话)
She washed out her mouth with soap.
(她用肥皂洗漱了她的嘴)
The baby put its hand in its mouth.
(婴儿把手放进嘴里)