基本解釋

• 稀土離子

同根派生

• rare-earthion相關(guān)詞

英漢例句

• It was in the days when motorcars were rare.
  那是在汽車還罕見(jiàn)的時(shí)代。
• A top hat is a rare sight these days.
  高頂大禮帽現(xiàn)在已不多見(jiàn)。
• I must admit I am very fond of collect rare book.
  我得承認(rèn)我很喜歡海內(nèi)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(guó)已十分罕見(jiàn)了。

• rare-earthion更多例句