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。youdao
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。youdao
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。youdao