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- If you can imagine Jupiter as a hollow ball, all of the other planets would fit inside and there would still be a lot of room left. 你是否能想象木星如同一个空的球，那么把所有的其它行星都放到里面，它仍然还剩有许多空间。
- A body with the shape of a sphere, especially a representation of the earth in the form of a hollow ball. 球，球状物球体，球状物，尤指中空的球的形式的地球仪
- "Around 1900, due to the development of light industry, the ball was replaced by the hollow ball made of celluloid. 1900年左右，由于轻工业的发展，球才改成用赛璐珞制成的空心球。
- Microcosmic space is the hollow ball that has limit，it is not the ball of Poincare conjecture. 微观空间是有界限的空心球，不是“庞加莱猜想”的球。
- Today, players use specially developed rubber coated wooden and carbon-fibre rackets and a lightweight, hollow ball. 而今天，球员们使用特制的球拍和重量特轻的空心球，球拍是用橡胶包裹的木板和碳纤维制成的。
- The hollow ball structure with divided segments made by punch press guarantees precision and quality,and(lowers) manufacture cost. 阀芯采用空心球体结构和分段冲压成形加工工艺,有效地保证了球体的加工精度和质量,降低了生产成本;
- My first stop at NRL was a small windowless room containing the VirtuSphere, a nine-foot-high hollow ball made of sturdy perforated plastic. 我在NRL的第一站是一个没有窗户的小房间，里面架设了一颗约2.;5公尺高的空心球。
- In addition, a hollow ball structure is selected and the sectional stamping forming technology is employed to assure the high machining accuracy and low cost. 采用了空心球体结构和分段冲压成形加工工艺,有效地保证了球体的加工精度和质量,降低生产成本;
- The hollow ball floated. 空心球浮在水面上。
- At the end, a darker path and two hollow balls of boxwood: several episodes of prepubescent sexuality occurred here. 在花园尽头，一条更昏暗的小径，两团空陷的黄杨木根茎：几段青春期前性行为发生在这里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
- In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
- The bell, when struck, gave forth a hollow sound. 敲这钟时发出一种闷哑的声音。
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- His protests on human rights sound hollow. 他就人权问题提出的抗议听来很空洞。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- She came out of her room equipped for the ball. 她盛装从房里出来预备到跳舞会去。
- A round hollow in a hillside; a cirque. 盆地山区中的圆的洼地
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
