1. But you can use a * swob or cloth to clean the outer part of the ear. 但是你可以用海绵或是布清洁耳朵的外部。
2. You should never put a cutter * swob or other project into the ear canal. 任何情况下你都不可以把海绵或其它东西塞入耳道。
3. Direction: Daub the floor with it by a wax swob, and then scrub it by a polishing machine. 使用方法：用干净蜡拖，涂于地面并用抛光机抛光。
英英解释
n.
1. cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
2. wash with a swab or a mop
3. apply (usually a liquid) to a surface
