Hydrion
氢离子, 质子
🗣️ 情景例句
Great! I'll make a reservation right now.
太好了， 我现在就订房间。
Who are you?
你是谁？
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。