您要查找的是不是：
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- The book hit the floor with a thud. 这书砰的一声落在地板上。
- You can gain by watching how she works. 看她怎样工作就可获益。
- Oil share show modest gain over the week's trading. 石油股票价在上星期的交易中略有上升。
- The masses gain experience through struggle. 群众通过斗争可以取得经验。
- He canted over from his chair onto the floor. 他从椅子上跌倒在地板上。
- He fell on the floor with an awful whomp. 他摔在地板上发出一声可怕的撞击声。
- He wiped up the spilt milk on the wooden floor. 他揩掉了泼在地板上的牛奶。
- It is not for the love of gain that he does so. 他这样做并非为了得什么好处。
- Their clothes lay in a huddle on the floor. 他们的衣服杂乱地堆在地板上。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- We put the books in piles on the floor. 我们把书在地板上堆起来。
- He loses his footing on the wet floor and fall. 他在潮湿的地板上失去平衡而摔倒了。
- We hope for some gain from our investment. 我们希望投资有利可图。
- No practice, no gain in one's wit. 纸上得来终觉浅，要知此事须躬行。
- There are some vacant offices on the third floor. 四楼有几间空著的办公室。
- Gain got by a lie will burn one's fingers. 靠欺骗得利，准要吃亏。
- He is assigned a room on the grind floor. 他分配到底层一间房子。
- Fame and gain are but chips to him. 他视名利为尘土。
