快: Ⅰ形容词1.(速度高; 走路、做事等费的时间短) fast; quick; rapid; swift; speedy 短语和例子动作快 be quick in action; 快极了 very fast; 请别说得那么快。 please don't speak so fast. 他进步很快。 he has made rapid progress. 我的表快五分钟。 my w
弹簧: spring; mechanical spring◇弹簧秤spring balance; spring scale; 弹簧床 spring bed; 弹簧刀 spring tool; 弹簧钢 spring steel; 弹簧钢板 steel spring plate; 弹簧减振器 spring absorber; 弹簧铰刀 spring reamer; 弹簧铰链 sprin
