Toothbrushing
(toothbrush 的现在分词) n. 牙刷
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
None knows the weight of another's burden.
看人挑担不吃力。
'Jumbo must weigh a few tons,' said a policeman afterwards, 'so it was fortunate that we didn't have to carry him.
“江伯一定有好几吨重，”一个警察事后这样说，“值得庆幸的是它没让我们抬它走。