我想到力与物质之间的相互作用，其中的浩瀚巨大的斗争，便觉得自己似乎可以写一首小旱史诗。
When I think of the play of force and matter, and all the tremendous struggle of it, I feel as if I could write an epic on the grass.
研究了地膜覆盖对旱砂地小南瓜生育特性和水分利用效率的影响。
This paper studied the effect of plastic film mulch cover on growth and development and water use efficiency of small squash in the dryland.
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