The motorboat put on speed as soon as it left the pier.汽船一离开码头就加快了速度.He measured the speed at which ultrasonic waves travel along the bone.他测出了超声波穿过骨头的速度。In the late 1850s the speed of technological change quickened...19...
He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活，直到生产遭遇瓶颈。The camera combines rugged reliability with unequalled optical performance and speed.这款相机既坚固耐用，又有超凡的光学性能和快门速度。It all started so pr...
橡皮球弹力好.A rubber ball bounces well.如果患了静脉曲张，可以考虑穿弹力护腿袜。If you have varicose veins, consider wearing elastic support hose.对人体无弹力，从而易于减缓疲劳感。There is no resilience to the body , hence it could relieve tiredness ....