夏天和春天的单词怎么写

　　I haven't seen him since the summer before last.

　　我已有两个夏天没见过他了。

　　Each summer a new batch of students tries to find work.

　　每年夏天都有一批新的学生要找工作。

　　What time does it get dark in summer?

　　夏天什么时候天黑？

　　The new store will be open in the spring.

　　新商店将在春天开业。

　　Our new model is already on the stocks and will be available in the spring.

　　我们已着手生产新的款式，明年春天就可以上市。

　　The place needed a good spring clean before we could move in.

　　那地方得来个大扫除，然后我们才能搬进去。