toothbrush
n. 牙刷
复数 toothbrushes
例句
As soon as the bristles on your toothbrush begin to wear, throw it out.
牙刷毛一旦磨损就扔掉。
《柯林斯英汉双解大词典》
The toothbrush gently removes plaque without damaging the gums or causing bleeding.
牙刷轻轻地刷去齿菌斑,没有伤及牙床或引起出血。
How do you choose your toothbrush?
你是如何选择你的牙刷的?