Oxacid
含氧酸
??? 情景例句
tomorrow morning before we leave.
在明天早上臨走之前。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而勞動強度卻降低了。
Does this whole order go to the same place?
這一整批的貨都是送往相同的地方嗎？