rare-earthion
基本解释
- 稀土離子
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。