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- When in lower level shop sandy soil top cover bottom putty situation, the best the proportion of bottom putty to sandy soil is 3:7. 当下层铺沙土上层覆盖底泥情况下，底泥与沙土比例在3:7时最佳。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- The canvas covering was peeled back. 盖在上面的帆布被揭开了。
- The covering of forestry in our town is 60 percent. 我们镇的森林覆盖率是百分之六十。
- I fell right to the bottom of the stairs. 我从楼梯上一直摔到楼梯下面。
- The police found a body at the bottom of the lake. 警方在湖底发现了一具尸体。
- The insurance cover is optional. 保险范围可以随意选择。
- His bottom waggle in a funny way when he walk. 他走路时臀部扭来扭去，很可笑。
- The bottom of the boat was rusty. 船底生锈了。
- The house is red brick without a covering of stucco. 那房子是红砖砌的，没有用灰泥粉刷。
- There is a pair of scissors in the bottom drawer. 最底下的抽屉里有把剪刀。
- A protective covering of bony plates or scales. 护身甲壳保护骨盘或介壳的覆盖层
- Prices have reached rock bottom. 价格已经到了最低点。
- The seed has a hard exterior covering. 这种子外壳很硬。
