Diproxide
二硫化二异丙基黄原酸盐(调节剂)
🗣️ 情景例句
How's that?
怎么是这样？
What's the longest river in the United States?
在美国最长的河是什么？
Frank begged him to do so and the dealer reluctantly prised it open.
经弗兰克恳求，古董商才勉强把货箱撬开了。