The stone was lifted by means of a rope and pulley.这块大石是用绳子和滑轮给吊起来的.The worker threaded the wire through the pulley.工人把金属丝穿在滑轮上.The weights are moved via a cable and pulley system.重物通过缆绳和滑轮系统运送。...
He could also turn on the style when the occasion demanded.如果场合需要，他也能瞬间就表现得风度翩翩。But he could also turn on the style when the occasion demanded.但是如果场合需要，他也能拿出派头来。They turn on their own kind and peck each other to death.它们...