Nbr
abbr. 腈基丁二烯橡胶（nitrile -butadiene rubber）
🗣️ 情景例句
You don't know me.
你不认识我。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。