mantle-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。
The earth has a core and a mantle around it.
地球的中心是地核，地核的周围是地幔。
The mountain was covered with a mantle of snow.
山上覆盖着一层雪。
He's not in the first grade as a musician.
他不是第一流的音乐家。
Mantle drove in two runs with a single and a sacrifice fly.
曼特耳以一个一垒打和一高飞牺牲打来使二人跑垒得分。
Business is now on the up grade.
目前生意蒸蒸日上。