合口的英文：
1.(of a wound) to heal up

参考例句：

Close mouth tongs
合口扁钳

This paper analyzes the dental characters' converting of these two systems since mediaeval times.
本文分析了齿音字从中古以来开合口的转变情况。

wound是什么意思：
n. 伤口，创伤；伤害
v. （使）受伤，伤害；wind的过去式和过去分词

The wound has closed.
伤口已愈合。

The wound began to matter.
伤口开始化脓。

A green wound is soon healed
新伤容易愈合

That was a wound to the child's pride.
那是对孩子自尊心的伤害。

The hunter wounded the deer.
猎人打伤了鹿。

heal是什么意思：
v. 愈合，治愈；结束，较容易忍受；调停，消除

heal the breach
弥合裂痕,调停

A green wound is soon healed
新伤容易愈合

Time heals all sorrows.
时间可治愈一切悲伤。

The wound is healing fast.
伤口愈合得很快。

Time heals most pains.
时间会消除很多痛苦。