wiping

1.He went on talking, occasionally wiping at his face with a towel.

他继续说着, 偶巾擦一下脸。

2.The TD series electric which is made of straining sensor and microkit has the funcion of wiping offtare,addingup weight,giving an alarm of hitch amd calculating.

TD系列电子天平是由应变式传感器与微机组合而成的电子天平。具有去皮重、计称量、故障报警、计数等功能。