black-powder

常见例句

What is this black powder on your desk?
你桌子上的黑色粉末是什么?
Mixture of black powder and magnesium have a tendency to segregate.
黑药和镁的混合物具有离析的倾向。
Mixture of black powder and magnesium has a tendency to segregate.
黑药和镁的混合物具有离析的倾向。
A black powder, C9H18FeN3S6, used as an agricultural fungicide.
福美铁一种用作农业杀霉菌剂的黑色粉末，C9H18FeN3S6
This makes copies,using a mirror,a roller and special black powder.
这个做副本是用一面镜子，一个滚筒和一种特殊的黑火药。
Status: Green or black powder, insoluble in acids and ammonia, soluble in hot perchloric acid and vitriol, ins....
性状：灰黑色或绿色粉末，溶于酸和氨水，溶于热的过氯酸和热硫酸，不溶于水和液氨。