S 开头单词

spring freshet 春汛

spring forth 跳出；涌出；生长；发展

spring flowering

spring flaking roll [机械工程]弹簧轧胚机

spring fever 春倦症；枯草热

spring festival peak travel season [土木建筑工程]春运高峰期

spring festival couplets 春联

spring fen [地球科学]泉水沼泽

spring fastener [机] 弹簧扣

spring exerciser 拉力器

spring equinox n. 春分

spring ephemeral plant [生物学]早春短命植物

spring ephemeral [生物学]植物

spring end clip [交通运输工程]弹簧端垫座

spring ejector pin installs [能源科学技术]弹簧推杆装置

spring diaphragm reducing valve [机械工程]弹簧薄膜式降低压力阀弹簧薄膜式减压阀

spring damper coil 盘簧减震器

spring cushion [机] 弹簧垫弹簧缓冲器

spring crust 春季冰壳