您要查找的是不是：
- Once installed, this heater operates automatically. 一旦安装好以后，这加热器就会自动地运行。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- The heater in my car doesn't work properly. 我汽车里的暖气设备出了点毛病。
- 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。
- 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。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- 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。
- You'll run up a huge gas bill if you leave the heater on. 热水器要是总开著，煤气费就很高了。
- 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。
- He hit the tennis ball over the net. 他把网球打过了网。
- He kicked the ball to the stand. 他把球踢到看台上了。
- The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
