Noncrossover
a. [生]非交换型的
🗣️ 情景例句
I don't drink, but today is an exception.
我是不喝酒的，但今天例外。
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 is my age.
他和我同岁。