Mobile hydrogen
[化] 流动氢原子
🧩 词语组成解析
🗣️ 情景例句
He always makes me laugh.
他总是让我笑。
When the heart is afire, some sparks will fly out at the mouth.
心中发火，口吐妄言。
Can't you see? They're round, like the moon. Have one, please.
你没看见吗？它们像月亮一样，圆圆的。请吃一个吧。