Nitrometal
硝基金属
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
I suppose it's an inconvenience for you to do this.
我推测对你来说做这件事情是很不方便的。
Yes, it is.
是的，是我的。