1、The toothbrush gently removes plaque without damaging the gums.
这种牙刷可以温和去除牙菌斑而不损伤齿龈。
2、He has refused to let me use his toothbrush.
他拒绝让我使用他的牙刷。
3、Use a toothbrush on your tongue as well, and rinse your mouth frequently.
舌头也要用牙刷清洁，并且经常漱口。
4、As soon as the bristles on your toothbrush begin to wear, throw it out.
牙刷毛一开始磨损，就把它扔掉。
5、The use of a toothbrush to keep tartar down is very helpful.
使用牙刷去除牙垢很有帮助。
双语例句：
1、Who belongs to this toothbrush?
这支牙刷是谁的？
2、He has refused to let me use his toothbrush.
他拒绝让我使用他的牙刷。
3、Also consider common dental care questions. Should you use an electric toothbrush or aregular toothbrush?
还要考虑常见的牙科保健问题，应该用电动牙刷还是普通牙刷？
4、Like most autists, he is hyper-sensitive to noise, touch and visual stimuli, so he found brushing his teeth impossible until he discovered the more rhythmic electric toothbrush.
o晴天娃娃o
