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- Nature meadow have rather high penetrance, Huaqing No.3 pasture has notable effect in preventing and curing loss of soil and water, soil self-restraint and cutting down floor runoff. 天然草场有较高的渗透率，华青三号对防治水土流失、涵养土壤中的水分、减少地面径流的流失具有显著的作用。
- The loose board in the floor should be nailed down. 地板中松了的板子应该用钉子钉牢。
- He crashed down on the floor with a wallop. 他砰的一声倒在地板上了。
- She clashed the pan down on the stone floor. 她把炒锅当啷一声掉在石头地板上。
- You can shake down on the floor. 你可以临时睡在地板上。
- You must watch your step so as not to fall down. 你必须留心脚下才不会跌下去。
- He is not ready to step down yet. 他还不准备辞职。
- We dossed down on Tony's floor after the party. 聚会过後，我们就躺在汤尼家的地板上睡了。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- He bounced into the room with a springy step. 他以轻快的跑步跳进房间。
- His forceful argument soon made the opposing speaker step down. 他有力的论点很快就使对方的发言者认输了。
- Punch down any loose nails so that the floor is quite smooth. 把所有松动的钉子都钉进去，使地板平滑。
- The postman flopped down the heavy package on the floor. 邮递员扑通一声将沉重的包裹放在了地上。
- I hope my ideas are in step with public opinion. 我希望我的想法跟公众舆论是一致的。
- Don't worry about a bed for me, I can kip down on the floor. 不要替我操心床铺的事。我就睡在地板上好了。
- She runs up the stairs with a light graceful step. 她以轻快优雅的步子奔上楼去。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- I hope you try to get them to step up production. 希望你们尽力使厂家增加生产。
