sub-grade

常见例句

Pupils who pass the test will be promoted to the next higher grade.
小学生只要考试及格就会升到高年级。
I had to sub for the referee, who was sick.
裁判病了，我得代为裁判。
Standard sub micron grade for solid rotary tool applications.
是适用于可转位工具的晶粒度为亚微米级的标准牌号。
He's not in the first grade as a musician.
他不是第一流的音乐家。
Business is now on the up grade.
目前生意蒸蒸日上。
Pupils with 90% or more are awarded Grade A.
满90分的学生评为甲等。