toothbrushing
(toothbrush 的现在分词) n. 牙刷
词形变化
toothbrushings
复数
toothbrushings
释义与例句
n.
-
1.
An act of brushing the teeth.
Dentists recommend several toothbrushings per day.
v.
-
1.
present participle and gerund of toothbrush