Toothbrushing
(toothbrush 的现在分词) n. 牙刷
🗣️ 情景例句
do you need any help?
需要帮忙吗？
A sense of regret or resentment will not help us in any way.
后悔和怨恨不会给我们任何帮助。
A few cars,however, completed the race.
然而还是有几辆汽车跑完了全程。