Barosperse
硫酸與硫酸鋇(1：1)的混合物
??? 情景例句
Then it's settled.
就這樣定了。
What's your favorite kind of animal?
你最喜歡的動物是什么？
It would be easier for us if you would ship next month.
如果能在下個月出貨的話我們會輕松一些。