Nonex
铅硼玻璃, 诺耐克斯玻璃
🗣️ 情景例句
I've never been able to figure him out.
我一直不能理解他。
We are anxious to know how long it will take you to deliver the goods.
我们急于知道贵方多长时间能交货。
What kind of quality control do you have?
你们用什么办法来控制质量呢？