wiper

中文： 雨刷、刮水器、擦拭布

1. Someone who wipes.
2. Something, such as a towel, that is used for wiping.
3. Something, such as a windscreen wiper, that is designed for wiping.
4. A movable electric contact in some devices.
5. A program or process that erases data.
6. A junior role in the engine room of a ship, someone who wipes down machinery and generally keeps it clean.

复数 wipers