Nirit
二硝散
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
Do you live down the street?
你在街尾居住吗？
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。