As soon as the bristles on your toothbrush begin to wear, throw it out.
牙刷毛一旦磨损就扔掉。
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？
When you travel, don't forget to pack your toothbrush.
当你要去旅游时，别忘了带你的牙刷。
All of these strategies will get you a toothbrush, but none gets you the best one for the job.
所有的这些策略都能让你得到一把牙刷，但没有一个能让你得到最适合这份工作的牙刷。
While you're at it, you could cut your grass with a pair of scissors and wash your car with an old toothbrush.
当您做到这一点后，您可以用剪刀剪草，用旧牙刷洗车。
523 students cleaned their teeth within ten minutes of eating. When possible, they used a toothbrush; when this was impossible, they washed their mouth thoroughly with water.
523名学生在吃饭后十分钟内刷牙。如果情况允许的话，他们会使用牙刷；否则，他们会用水彻底清洗口腔。
Third, wash the dirt off with the toothbrush repeatedly while you are scrubbing (擦).
第三，在擦洗的同时，反复用牙刷洗掉污垢。
Not long after that, the toothpaste tube was invented, so people could press the toothpaste right onto the toothbrush!
不久之后，牙膏管被发明出来，所以人们可以把牙膏挤到牙刷上！
我在哪里可以买到牙刷？
“我的牙刷而已。”我说道。
Know when to replace your toothbrush.
定期更换牙刷。
我可以用你的牙刷吗?。
我有一把蓝色的牙刷。
Your towel and toothbrush are in this bag.
你的毛巾、牙刷放在这个包里了。
She squeezes toothpaste onto her toothbrush.
她在牙刷上挤了牙膏。
Creative solution to the toothbrush storage problem.
解决了牙刷存放问题的创意方案。
When you travel don't forget to pack your toothbrush.
当你要去旅游时，不要忘了带你的牙刷。
Always rinse your toothbrush with water after brushing.
每次刷完牙都应用水冲洗牙刷。
This toothbrush could clean teeth quickly and well.
这种牙刷可以又快又好地清洁牙齿。
Innovative toothbrush incorporates a toothpaste deposit.
一款可以存储牙膏的创意牙刷。
One of the few exceptions is the rechargeable toothbrush.
不过也有一些例外，比如充电式牙刷。
The toothbrush should be changed one to three months.
牙刷应该一到三个月更换一次。
The toothbrush should be changed one to three months.
牙刷应该一到三个月更换一次。
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