Barosperse
硫酸与硫酸钡(1：1)的混合物
🗣️ 情景例句
Then it's settled.
就这样定了。
What's your favorite kind of animal?
你最喜欢的动物是什么？
It would be easier for us if you would ship next month.
如果能在下个月出货的话我们会轻松一些。