Nitropenthrite
[化] 四硝基季戊四醇
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
What about?
找他有什么事吗？