Bydrogen
氢
🗣️ 情景例句
The costs of college get higher every year.
学费逐年增加，越来越贵。
A good beginning makes a good ending.
善始者必善其终。
King Gustavus Adolphus, 'The Northern Hurricane',
当时号称北方飓风的国王古斯塔夫斯·阿道尔弗斯