Hydrogens
(hydrogen 的复数) n. 氢\\n[化] 氢H-2
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Strike while the iron is hot.
见机行事。称热打铁。
Jalu has forgotten falling off his bicycle.
詹露早忘掉他从白行车上摔下来这件事了。