refractor

听听怎么读
英 [rɪˈfræktə(r)]
美 [rɪˈfræktɚ]
是什么意思
  • n.

    折射物;折射媒介;折射望远镜;折射器

  • 学习怎么用

    双语例句

    用作名词(n.)
    1. A three-inch refractor will give an excellent view.
      一架三英寸的折射望远镜就能看到极好的景象。

    权威例句

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