Nbr
abbr. 腈基丁二烯橡胶（nitrile -butadiene rubber）
🗣️ 情景例句
It'll all be over in two hours.
再两个小时就结束了。
Pride may lurk under a threadbare cloak.
骄傲可能披著老一套的外衣出现。
The order was in good shape when it left out factory.
货离开工厂时都是完好无缺的啊。