perfectly smooth的意思|示意
美 / ˈpɜ:fɪktli: smu:ð /
英 / ˈpəfɪktli smuð /
完全光滑的
perfectly smooth相关例句
Since sound waves occur naturally, they are never perfectly smooth or periodic.
一般然声音的波形既不会十分光滑也不会有很强的周期性.
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I found myself a perfectly smooth rock and sent it for a ride.
我给自己找来一块非常圆滑的石头,把它投了出去.
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