Toothbrushing
(toothbrush 的现在分词) n. 牙刷
🗣️ 情景例句
The book will be a success.
这本书会成功的。
Would you please have dinner ready for me?
可以请你为我准备晚餐吗？
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，