是固定搭配，in spring day：在春天的日子
spring：美 [sprɪŋ]；英 [sprɪŋ]
n.春天；春季；弹簧；发条
v.跳；跃；蹦；突然猛烈地移动
复数：springs 过去式：sprang 过去分词：sprung 现在分词：springing
例句：
1.Spring is usually a nice time of the year.
春天常是一年中的美好季节。
2.Unluckily spying his own figure in the glass, he made a spring over the tea tablethat stood under it.
不幸他在镜中窥见了自己的影子，起身跃过镜子下的茶几。
3.Look how much longer this spring is than it was before.
看这弹簧比以前，长了多少。
4.How much melancholy Temple Liu, spring air fighting thrush long.
惆怅庙前多少柳，春来空斗画眉长。
5.The doctor's verdict was that the patient would not live until spring.
根据医师的判断，病人活不到春天。
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