earplug

释义

n. 耳塞\n[医] 耳塞

例句

The earplug is moved from ear to ear to indicate the current date.

移动耳塞用来指示相应的日期。

When go into workshop please ware the safety helmet , safety glasses and earplug , and ware the respirator if necessarily .

进入车间必须确保佩戴安全帽、防护眼镜、耳塞，必要时使用口罩。