S 开头单词

spring frog

spring freshet 春汛

spring forth 跳出；湧出；生長；發展

spring flowering

spring flaking roll [機械工程]彈簧軋胚機

spring fever 春倦症；枯草熱

spring festival peak travel season [土木建築工程]春運高峰期

spring festival couplets 春聯

spring fen [地球科學]泉水沼澤

spring fastener [機] 彈簧釦

spring exerciser 拉力器

spring equinox n. 春分

spring ephemeral plant [生物學]早春短命植物

spring ephemeral [生物學]植物

spring end clip [交通運輸工程]彈簧耑墊座

spring ejector pin installs [能源科學技術]彈簧推杆裝置

spring diaphragm reducing valve [機械工程]彈簧薄膜式降低壓力閥彈簧薄膜式減壓閥

spring damper coil 磐簧減震器

spring cushion [機] 彈簧墊 彈簧緩沖器

spring crust 春季冰殼