ear plug

He put plug in his ear because the noise was too loud.

因为太吵闹了,他用耳塞堵住了耳朵.

She took the plug of cotton wool from her ear.

她从耳朵中取出棉毛耳塞来。

And that's what they use to make your custom made ear plug.

这就是他们来制作你自制的耳塞的。

Put a few drops of mineral oil or ear medication in his ears and plug them with several cotton balls each.

把一些下降矿物油或者耳朵药物治疗放入他的耳朵而且用一些棉花球插入他们每个。

The experimental results indicated that using of ear plug was more discomfort than using ear muff, but in strong noise environment ( higher than 80dB ( A)), ear plug had better effect on body balance.

研究结果还表明，耳塞对人体的不适感大于耳罩，但是在强噪声（80dB（A）以上）环境下，隔声量大的耳塞的佩带更有利于人体平衡的维持，有利于作业安全。

One should not wear ear-plug which could impair safety while driving or cycling.

当您驾驶机动车或骑自行车时建议不要戴耳机,操作本产品时,请注意保证行车安全.