swab

棉花棒、棉签、药签

The nurse cleaned the wound gently with a cotton swab.

护理师用棉花棒轻轻清洁伤口。

采检样本、检体医学

Her throat swab came back negative the next morning.

她的喉咙采检样本隔天早上结果是阴性。

拖把

He rinsed the swab and pushed it across the wet floor.

他把拖把冲干净，再推过湿答答的地板。

擦拭、涂抹

The doctor swabbed the cut with antiseptic before bandaging it.

医师先用消毒液擦拭伤口，然后才包上纱布。

采检、采样

Staff swabbed hundreds of passengers at the airport that day.

那天工作人员在机场为数百名旅客采检。

擦洗、拖

The crew swabbed the deck every morning before sunrise.

船员每天日出前都会擦洗甲板。