广播电视英语短句 第 67 课：产生蜡状物-4

They say hydrogen peroxide or carbamide peroxide may also help. 过氧化氢和过氧尿素也能起效。

Another way to remove wax is known as irrigation. 另一种去除耳垢的方法被称为水洗法。

With the head upright, take hold of the outer part of the ear. Gently pull upward to straighten the ear canal. 脑袋直立，抓住耳廓，缓慢上拉，

Use a syringe device to gently direct water against the wall of the ear canal. 使耳道变直，用注射器小心地把水注向耳道内壁（让水流入耳朵），

Then turn the head to the side to let the water out. 然后将头转向到另一边，让水流出。