趣英语 / cavities例句

cavities例句

Cavities in teeth are caused by decay.
牙齿上的空洞是由龋蚀造成的.

The dentist filled several cavities in my teeth.
牙医给我的牙堵了好几个洞 excavation 指“挖掘的洞”,如:

Numerous and extensive eddy cavities retard the turbulent mixing process.
多而大的涡流区延迟了扰动的混合过程.

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