1. We saw new factories and well-cultivated fields all along the line.
    铁路沿线到处可见新建的工厂和精耕细作的田地。

2. It is cultivated for its flowers.
    这块地开垦出来种花。

3. From early youth he had cultivated it by memorizing verses in an unfamiliar tongue.
    从年轻时代起，他故意用一种人们不熟悉的外国语（例如希伯莱语），背诵它的诗篇，以锻炼自己的记忆力。