趣英语 / pulleys例句

pulleys例句

a system of ropes and pulleys
绳索滑轮系统

Levers and pulleys are simple machines.
杠杆和滑轮是简单机械.

Among them were rickshaw pulleys, peddlers, policemen and servants.
这些人有的拉车,有的做小买卖, 有的当巡警,有的当仆人.

相关问题

  • pulleys的音标？

    pulleys的音标：...

  • pulleys的意思

    n.滑轮（组），滑车( pulley的名词复数 )，皮带轮...

  • pulleys造句

    Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...