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- One day the mouth of the dragon facing due west suddenlyopened and the copper ball fell out. 有一天，正对西方的龙嘴突然张开，铜球落了下来。
- Products include phosphorous copper ball (cornu), red brass cornu, and copper of imitation gold etc. 本厂主要生产磷铜球、磷铜角、红铜角、青铜等产品。
- All was cleared up some time later whennews came from a distant place thatan earthquake was felt the very day the little copper ball fell. 过了一些时候,从远方传来了消息:在小铜球坠落的当天,确实发生了地震。这一切终于得到了澄清。不入虎穴,焉得虎子。
- Flexable tie-in copper ball valve 活接式铜球阀
- Interior whorl copper ball valve 内螺纹铜球阀
- Exterior whorl copper ball valve 外螺纹铜球阀
- Development of P-Containing Copper Ball 含磷铜球的研制
- PP-R copper ball valve (External thread single head style) 铜球阀(外丝单头式)
- PP-R copper ball valve (inside thread single head style) 铜球阀(内丝单头式)
- Forge brass floating ball valve with red copper ball SIZE 黄铜锻压紫铜球浮球阀
- 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。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Aluminium plastic compound hoop forging copper ball valve 铝塑复合管锻压箍式球阀
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- Copper and gold are both metals. 铜和金都是金属。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- 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。
