Dichlorobutane
二氯丁烷
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
Actually, my interest was directed more towards what particular markets you foresee for our product.
事实上，我关心的是贵公司对我们产品市场的考量。
What stores do you want me to order, Sir?
先生，您想要我订购些什么储存品？