Nitronium
硝离子
🗣️ 情景例句
Let's see some action!
赶快行动起来吧！
The mechanic repairs cars.
机工修理汽车。
We tramped through the wood for over two hours until we arrived at a deep stream.
我们在树林中跋涉了两个多小时，到了一条深溪边。