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- High rain intensity tended to undermine penetration of rain water in soil and thus reduced soil moisture.At the same rain intensity, flat cultivation produced maximal surface runoff and soil erosion. 在耕作方式相同时，雨强越大，地表径流量越大，地下径流量减少，总径流量增加，不利于土壤保蓄雨水和含水量的提高。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- Our present lease on the flat expires next month. 我们这套公寓的租约下月到期。
- The flat will be refurbished for the new tenants. 这套房间将重新粉刷以接纳新房客。
- This land is feasible for cultivation. 这块地适合耕作。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- Only 10 percent of the land was under cultivation. 只有百分之十的土地用作耕地。
- She lay flat on her back in the warm sunshine. 她在温暖的阳光下平躺著。
- The lease on our flat runs out in a few months. 我们公寓的租约还有几个月就到期了。
- The colours used are flat and unvaried. 使用的颜色既单调又无层次。
- Griddles are used for cooking flat cakes. 这个浅锅是用来烤蛋糕的。
- Cultivation of grapes; viticulture. 酿酒葡萄栽培法; 葡萄酿酒业
- I got a flat tire of the rear wheel of my bicycle. 我自行车的后轮车胎没气了。
- He's asking 80 a month rent for that flat. 那套房间月租他要80英镑。
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
- The tenor disappointed us by singing flat. 那位男高音歌手调门儿唱得很低，十分扫兴。
- The tower rises steeply from the flat ground. 那座塔陡峭地自平地耸起。
- The whole landscape looked as flat as a pancake. 整个地形十分平坦。
