Grindelic acid
[化] 胶草酸
🧩 词语组成解析
🗣️ 情景例句
and that I care about our children.
而且知道我关心我们的孩子。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
Yes, I am.
是的。