Aex
[医] 气溶胶醚二甲苯
🗣️ 情景例句
Our boss doesn't give us any slack
我们老板不让我们有一丝松懈。
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？
He never has anything to do.
他从来都是无事可做，