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- Ball cavity source 球腔震源
- Flowing capability is big and the flow resistance is little. When the valve opening, the valve core is located inside ball cavity and the flow route is straight tube. 流通能力大、流阻小。这是因为开启后阀芯位于藏球室内,阀体流道呈直筒式。
- 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。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- 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。
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- Smith tied into the ball for a home run. 史密斯猛击球取得本垒打。
- He swiped at the ball and missed it. 他向球猛击，但未打中。
- The ball hit the wall and bounced off it. 球打在墙上又反弹回来。
- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- I cut up the meat for cooking meat ball. 我把肉剁碎后做肉丸子。
- He fumbled the ball and then dropped it. 他笨手笨脚的漏接了球。
- I have a toothache because there is a cavity in one of my teeth. 我牙疼，因为我的一颗牙齿上有个洞。
- He hit the tennis ball over the net. 他把网球打过了网。
