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

　　我已有兩個(gè)夏天沒見過他了。

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

　　每年夏天都有一批新的學(xué)生要找工作。

　　What time does it get dark in summer?

　　夏天什么時(shí)候天黑？

　　The new store will be open in the spring.

　　新商店將在春天開業(yè)。

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

　　我們已著手生產(chǎn)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.

　　那地方得來個(gè)大掃除，然后我們才能搬進(jìn)去。