Liquid hydrogen
[化] 液氢; 液态氢
🧩 词语组成解析
🗣️ 情景例句
Forgive me if I'm wrong, but haven't we met before.
如果我弄错的话请原谅我，我们以前见过面吧？
No good building without a good foundation.
基础不好，建筑不牢。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。