您要查找的是不是：
- Why can a submarine float and sink? 为什么潜水艇既能浮在水面，又能潜入水底?
- Keywords middlings;float and sink test;grinding;liberation of intergrown constituents;flocculation-floatation; 中煤;浮沉实验;磨矿;解离;絮团浮选;
- floating and sinking tests 浮沉
- float and sink test 浮沉试验
- The movements are marked by floating and sinking, swallowing and spiting, dodging and snapping, and power by completeness of pressing, chopping, hardness and softness. 劲力强调沉、碎、刚、柔四劲完整，以刚为主，刚柔相济，爆发力强。
- Floating and sinking in the official seas 宦海沉浮
- ascending, descending, floating and sinking 升降浮沉
- raising, lowering, floating and sinking 升降浮沉
- New Opinion about Disease-ralated Floating and Sinking Pluses 浮沉脉象主病新议
- This isle was then floating and unstable. 这座小岛漂浮在水面上并且不稳定。
- And sinking down heavily to the floor. 并感到全身非常地沉重,下沉到地板里了。
- Everything in the house was floating and blowing. 房子里所有的东西都在水上漂动着,在空中飞舞着。
- Sea Floating and Sinking Construction of Extra Large Take-in Water Head 超大型取水头海上浮运沉放施工
- The ship struck on a rock and sank. 船触礁沉没。
- The sun rises in the east, and sinks in the west. 太阳从东边升起，在西方落下。
- We take a step, float and down again. 我们迈了一步，漂浮又落下。
- She fainted and sank to the ground. 她昏倒在地上。
- She was stunned and sank to the ground. 她被击昏倒在地上。
- The cruiser was mined, and sank in five minutes. 这艘巡洋舰触雷，五分钟后沉没了。
- Clutch and sink into the wet bank. 没抓住,下沉,飘浮到潮湿的岸上。
