1. These apples have been graded according to size and quality.
   这些苹果已经按照大小和质量分了等级。
2. The train snailed up the steep grade.
   火车在陡坡上缓缓而行。
3. He always got high grades in school.
   他在学校里总是得高分。
4. The colors graded gradually from orange to yellow.
   这些颜色逐渐地从橙色变成黄色。
5. The timber is graded according to its thickness.
   木材按厚度分级。
6. She boasts of her high grades in school.
   她夸耀她的优秀学习成绩。
7. He merits a grade of B on his composition.
   他的作文分数应该得B。
8. The whole shipment of cattle made the grade as prime beef.
   这批牛全部达到了上等牛肉的标准。
9. The music exam has eight grades; I have passed Grade 1, the easiest.
   音乐考试分为八级, 我已通过了最容易的第一级。
10. Some college courses are graded in terms of either a pass or a fail.
    有些大学课程按及格或不及格评分。
11. I got good grades last semester.
    上学期我得了高分。
12. I flunked biology in the tenth grade.
    十年级时我生物不及格。
13. Are good grades a stepping-stone to college?
    好的成绩是上大学的踏脚石吗?
14. The boy was promoted to the fourth grade.
    这个男孩升到四年级。
15. I took grade five and got a distinction.
    我参加了五级的考试并得了优良。
16. Billy is fourteen years old and in the ninth grade.
    毕利十四岁,在上九年级。
17. Moreover, Yangge also inseparably relates to village agnation, religion, grade and feast amusement.
    此外,秧歌还与乡村宗族关系、宗教信仰、等级制度、节令娱乐有着密不可分的渊源和纽结。
18. The metamorphic grades of Minleh and Changma areas are prehnite-pumpellyite and prehnite-actinolite facies, respectively.
    民乐与昌马地区变质火山岩，变质度分别为葡萄石-绿纤石相和葡萄石-阳起石相。
19. The milk is sold in grades.
    牛奶分等级出售。
20. The practice shows that smelting high grade ferrotitanium with rutile by thermite method is feasible.
    实践证明，采用金红石铝热法生产高钛铁在技术上是完全可行的。

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