您要查找的是不是：
- They are found in seagrass, rubble-strewn sand bottom, and coral reef. 海胆的管足比较长，用来爬行、呼吸、排泄及感应环境。
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- 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 sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- His company was built on the sand. 他的公司根基不稳固。
- 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 river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- The boat grounded on a sand bank. 船只搁浅在沙洲上。
- The bottom of the boat was rusty. 船底生锈了。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
