frictionless的例句
- 1. In reality job change is seldom so frictionless.
- 而实际上就业变化很少是这么一帆风顺的。
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- 2. A perpetual motion machine would have to be frictionless.
- 永动机只能是一种无摩擦力的机器。
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- 3. A perpetual motion machine would have to be frictionless.
- 永动机只能是一种无摩擦力的机器。
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