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1·The farmers plant crops in the spring.

农民在春季种庄稼。

2·He learned how to help farmers plant crops.

他学会了如何帮助农民种地。

3·They announced when it was time to plant crops.

他们宣布的时候，是时候种庄稼。

4·No one can plant crops on it. No one can build a house on it.

没有人能在它上面种庄稼，也没有人能在它上面造房子。

5·The seasons used to be certain and we would know when to plant crops.

以往的季节很确定，我们知道什么时候该种庄稼。

6·Many farmers don't want to plant crops because it is not profit-making.

许多农民不想种庄稼，因为它无利可图。

7·The birds start to sing, the farmers begin to plant crops in the fields.

小鸟开始唱歌，农民开始在地里耕作庄稼。

8·Besides, farmers are busy in spring, because it's time for them to plant crops.

除此之外，春天也是农民忙碌的季节，因为是时候种植庄稼了。

9·As farmers, however, they had to plant crops in time to harvest them before winter.

不过，作为耕作者，他们只能在合适的时间种植作物以便在冬天之前收获。

10·Then, people began to plant crops instead of moving to areas where the plants grew.

接着，人们开始种植农作物，代替了迁移到农作物生长区域的法。