Dinitraniline
二硝基苯胺
🗣️ 情景例句
You know I'm very excited about his arrival.
知道我对他的到来是多么兴奋。
To promise and give nothing is comfort to a fool.
允诺而不费什么是给愚蠢人的安慰。
He has worked there since it opened in 1989.
从1989年这家工厂开办起，他就在这儿工作。