Replaceable hydrogen
[机] 可置换氢
🧩 词语组成解析
replaceable
[ri'pleisəbl]
adj. 可代替的;
🗣️ 情景例句
who spent the last five years
用过去五年的时间
The restaurant is downstairs.
那餐厅在楼下。
The over-punctual can be as much a trial to others as the unpunctual.
早到的人同迟到的人一样令人讨厌。