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He adds that using the correct brush is the most imperative part of brushing.
他还补充说，使用合适的梳子是梳头的最重要的一部分。
youdao
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Here is the pamphlet that shows you the correct way of brushing your teeth.
这个小册子教你如何正确刷牙。
youdao
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Here is the pamphlet that shows you the correct way of brushing your teeth.
这个小册子教你如何正确刷牙。
youdao