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- And when cutting underwater, good effects were achieved because of the Mohaupt effect and airtightness of the hollow metal balls. 利用空心金属球的聚能效应和密封性，可以达到很好的水下爆破切割效果。
- The hollow metal ring with small metal balls in it has changed from a tool for soliciting business on the street to a musical instrument used in performance. 串铃从以前用来走街串巷招揽生意转变为演出中的乐器了。
- the hollow metal ball 空心金属球
- A new method of explosive cutting discarded underwater oil well was explored.The hollow metal ball and the profiled punching bomb, in stead of traditional liner cutter, was applied in this new method. 摘要从一个新的角度研究探索出一种新型聚能切割水下废弃油井的方法，用空心金属球与成型穿孔弹相结合以代替传统的线型聚能切割器。
- She held the small bird in the hollow of her hand. 她把那小鸟握在掌心里。
- Let's have a picnic down in the hollow. 咱们到下面的山谷去野餐吧。
- We filled the hollow in the drive. 我们把车道上的坑填平了。
- A hollow metal cylinder used especially in constructing dams and foundations. 金属筐一种尤其用于筑堤及防御工事的中空的金属筐
- Andrew ought to be bored for the hollow horn. 该给安德鲁开开窍才是。
- A black metal ball flew from his right hand. 一个黑色金属球从他手里飞出来。
- The hollow stemlike main shaft of a feather. 翎管羽毛的中空的茎状羽干
- A stroke on a hollow metal instrument to mark the hour. 轮班钟敲击中空的金属乐器以示时间
- The pressure near the center of metal ball is higher than 207 GPa. 金属球体中心附近压力超过 2 0 7GPa ;
- Metal ball joint for angle adjustment of showerhead. 花洒头可以旋转调节出水方向。
- The hollow under the upper part of the arm at the shoulder. 腋上肢和肩膀连接处下面呈窝状的部位
- The frogs plunked in the hollow. 青蛙在洼地里砰砰跳着。
- In metalwork, a technique for making hollow metal utensils and artifacts. 金属制品中一种制作空金属容器和人造物品的技术。
- A body part analogous to the armpit, such as the hollow under a bird's wing. 腋部类似于腋窝的身体部位，比如鸟翅下面的空隙
- A metal ball weighing 16 pounds (7.2 kilograms) and having a long wire or wooden handle by which it is thrown for distance in track-and-field competition. 链球由重16磅(7.;2千克)的金属球和一条长链或木把手组成，人手持链端或把手在田径比赛中将其投远以争高低
- She hold the small bird in the hollow of her hand. 她把那小鸟握在掌心里。
