rare-earthion
基本解釋
- 稀土離子
英漢例句
- It was in the days when motorcars were rare.
那是在汽車(chē)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。