a dentist's drill 牙钻
a dentist's drill
牙医的牙钻
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is a dentist's drill.
这是牙科医生用的钻子。
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The sound of a dentist's drill always sets my teeth on edge.
我听见牙医钻牙的声音就打冷颤。
An invention which cancels out the noise of a dentist's drill could help people overcome their fear of a check-up, researchers say.
研究者称，一项发明能消除牙钻在使用时所发出的噪音，而这能帮助人们克服对牙科检查的恐惧。
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