Use a rag soaked in linseed oil.

使浸过亚麻籽油的抹。

He went over the surfaces with a duster.

抹擦干净了表面。

This is a cloth for the table.

这是块擦桌子的抹。

She damped her cloth before cleaning the window.

擦窗之前她先把抹弄湿。

Some cockroach species can go for a month without food, survive for a month on a drop of water from a dishrag, and withstand massive doses of radiation.

有些种类的蟑可以不吃一个月，而靠抹上的水滴活命，也可以承受大量剂量的辐射。