... straight blade electrode 释义：直形刀状电极 straight enamel 释义：直形釉质 universal vertical holder 释义：万能直形夹持器 ...
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straight enamel chisel 直形牙釉凿
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The tooth enamel is softened by the acid and brushing straight after will wear the teeth down.
酸性物质会软化牙釉质，立即刷牙会磨损牙齿。
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