rare-earthion

基本解释

• 稀土離子

同根派生

• rare-earthion相关词

英汉例句

• It was in the days when motorcars were rare.
  那是在汽車還罕見的時代。
• A top hat is a rare sight these days.
  高頂大禮帽現在已不多見。
• I must admit I am very fond of collect rare book.
  我得承認我很喜歡海內珍本。
• It's very rare for him to be so late.
  他很少遲到。
• Red squirrels are now very rare in Britain.
  紅色的松鼠在英國已十分罕見了。

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