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...
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....
Partial thyroidectomy for toxic goiter was practiced widely.用甲状腺部分切除治疗急性甲状腺肿一直被广泛采用.Unfortunately, geophagy is also practiced to avoid hunger pains when other food is scarce.遗憾的是, 一旦其他食物缺乏,人们也吃土以避免挨饿之苦.He practiced the i...
4,000 women put in ten rupees each, which if my arithmetic is right adds up to 40,000 rupees.4,000名妇女每人放入10个卢比，如果我算得对的话，总数将达到4万卢比。I wanted to sort out this problem with him, but it was like banging my head against a bric...
I walked on in a reflective mood to the car.我心事重重地向车子走去。Hallucinogens are psychoactive substances that powerfully alter perception, mood, and a host of cognitive processes.迷幻剂是指作用于精神的,能强烈改变感知 、 情绪及主体认知过程的药物.There's ...