For controlling source pollution from the sources, sloping land management in the headwater regions is necessary.为了从源头上控制农业面源污染,必须根据土壤生物热力学原理,以土壤为中心, 大力治理坡地.In arid climates, surface water is generally better than water ...
这个工作激起了另一场关于可允许的解法的争论.This work stirred up another ground for controversy about the allowable solutions.每个赞助公司可允许设立至少两个巨大的广告牌.Each of the sponsors is allowed a minimum of two huge advertising boards.这张票可允许三个孩子进入影院.This t...
Paul is self-taught and became interested in photography just four years ago.保罗是自学的，他四年前才开始对摄影产生兴趣。The exhibition is timely, since "self-taught" art is catching on in a big way.展会召开得非常及时，因为“自修”艺术正在广泛流行。Traveling with the...