Nbr
abbr. 腈基丁二烯橡胶（nitrile -butadiene rubber）
🗣️ 情景例句
A critic was there this morning.
一个评论家早上去过了。
Some persons do first, think afterwards, and then repent for ever.
有些人做了再思考，从而悔恨终身。
The bison grows to a shoulder-height of 1.5 metres and can weigh 1100 kilograms.
野牛可以长到肩高1。5米，重达1，100公斤。