Nitronium
硝离子
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
Is it a long ride?
要坐很久吗？
he knows while he looks at one side what the other side is like;
他看物体的一边时，便知道另一边是个什么样子。