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- overhand insulator 悬垂绝缘子
- The overhand floater serves to position 5. 发上手飘球，发向5号位。
- How mang ways can the overhand serves be played in? 有多少种上手发球的方法?
- An overhand throw, stroke, or delivery. 高手扔球、划水或发球
- He's fallen overhand, um...he's holding his chest. 他摔倒了，而且，嗯...他呼吸困难。
- To sew with a loose overcast or overhand stitch. 锁边用松松的包缝边的或平式线来缝纫。
- Springy and soft, wool is nature's best insulator. 柔软并且富有弹性，羊毛是大自然最好的保温材料。
- A loose mulch acts on the surface as an insulator. 疏松的覆盖物在土壤表面起了隔热的作用。
- Peel the insulator and waterdam from the door. 从车门上剥落绝缘垫和挡水器。
- Suitable for a switch insulator. 适合用作开关绝缘体。
- Dry air is a good insulator, but sea water is not. 干燥空气是一种好绝缘物，海水则不是。
- Few substances can equal fur as an insulator. 作为绝缘体很少有其他材料能与动物皮毛相媲美。
- Is this new material a conductor or an insulator? 这种新材料是导体还是绝缘体?
- Is this material a conductor or an insulator? 这种材料是导体,还是绝缘体?
- L: How mang ways can the overhand serves be played in ? 有多少种上手发球的方法?
- C.Provide machine upgrade, refurbish &overhand service to customer. C.;提供机器版本升级，翻新及突破性改造的服务给客户。
- Volleyball: Introducing rules, dig pass, and overhand pass. 郑景文排球：规则讲解、低手、高手对空传球基本。
- How mang ways can the overhand serves be played in ? 有多少种上手发球的方法？
- Can you discriminate between conductor and insulator? 你能把导体与绝缘体区别开吗?
- The atoms of an insulator hold their electrons very tight. 绝缘体的原子把电子抓得很牢。
