... 甲级队 first division team 乙级乳 grade b milk 超级队员 super trouper ...
2
?乙级牛奶
乙级牛奶
权威例句
1.
Grade A is for use in fluid milk products as well as any other dairy products, whereas GradeB which meets slightly lower standards, can only be used for manufactured dairy products, like cheese.
FORBES: Why Milk Isn't As "Natural" As You Think
2.
Historically, two grades of milk were established: Grade A and GradeB.