您要查找的是不是：
- Moreover, survival rate of yolk-sac larvae significantly decreased by the presence of copepods and bottom substrate (sand and silt). 此外，卵黄囊期仔鱼的活存率，明显地会受桡足类之存在与否及底质类型(砂质或泥质)之影响。
- benthic ecosystems Portion of the marine realm composed of, or dominated by, the bottom substrate and its organisms. 底栖生态系统海洋范围的部分组成,或被,控制底部底部与它的生物。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- 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。
- 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。
- 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。
- There is a pair of scissors in the bottom drawer. 最底下的抽屉里有把剪刀。
- Prices have reached rock bottom. 价格已经到了最低点。
- Every indication show market get near bottom now. 所有迹象表明，目前市场价格已跌落低谷。
- She knocked the bottom out of our argument. 她把我们的论点驳得体无完肤。
- Her dress flared out towards the bottom. 她的裙子在下摆处呈喇叭状展开。
- Please dust all the books on the bottom shelf. 请把底层书架上的书都掸一掸。
- Any of certain other wetland areas, such as a fen, having a peat substrate. 沼泽地区任一种其它的湿地，有泥炭底面，如沼泽
- We searched the house from top to bottom. 我们把那所房子彻底搜寻了一遍。
- His bottom waggles in a funny way when he walks. 他走路时臀部扭来扭去，很可笑。
