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
范围: scope; limits; extent; boundary; confines; range; range dimension; spectrum 短语和例子活动范围 scope of activities; 势力范围 sphere of influence; 范围狭小 limited in scope; 国家管辖范围 the limits of national ju