滚: Ⅰ动词1.(翻转; 滚动) roll; turn round; trundle 短语和例子打滚儿 turn a somersault; 滚进 roll-in; 满地乱滚 roll all over the ground; 滚铁环 trundle a hoop; 他滚了一个雪球。 he rolled a snowball. 球滚到桌子下面去了。 the ball rolled
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