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刷牙前，只要推动刷柄头牙膏就出来了。
Just twist the grip to push up the toothpaste before you brush your teeth.
youdao
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他们可以把牙刷头掰掉，几秒钟内把牙刷柄磨尖。
They can break the brush head off and sharpen the shaft in seconds.
youdao
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他们可以把牙刷头掰掉，几秒钟内把牙刷柄磨尖。
They can break the brush head off and sharpen the shaft in seconds.
youdao