Nir
abbr. acrylonitrile-isoprene rubber 丙烯腈-异戊二烯橡胶
🗣️ 情景例句
When does the next train leave for New York?
到纽约的下一趟火车什么时候开车？
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
My sister is only seven, but she always tells me whether my pictures are good or not.
我的妹妹只有7岁，但她总能说出我的画是好还是坏。