grade

詞意辨析：

class, degree, grade, rank

這些名詞均有“級，等級”之意。
class: 含義廣泛，指人或物按優劣劃分的等級，也指學校中的年級或班級。
degree: 指程度、範圍不同，社會地位的高低。也可指形容詞或副詞的級。
grade: 指按地位或優劣劃分的等級，既可指人又可指物。
rank: 指人在社會中的地位或等級，尤指軍隊中的軍銜。

詞型變化：

動詞過去式:graded 過去分詞:graded 現在分詞:grading 第三人稱單數:grades 

英文解釋：

名詞 grade:

1. a body of students who are taught together
   同義詞：class, form
2. a relative position or degree of value in a graded group
   同義詞：level, tier
3. the gradient of a slope or road or other surface
4. one-hundredth of a right angle
   同義詞：grad
5. a degree of ablaut
   同義詞：gradation
6. a number or letter indicating quality (especially of a student's performance)
   同義詞：mark, score
7. the height of the ground on which something stands
   同義詞：ground level
8. a position on a scale of intensity or amount or quality
   同義詞：degree, level
9. a variety of cattle produced by crossbreeding with a superior breed

動詞 grade:

1. assign a rank or rating to
   同義詞：rate, rank, range, order, place
2. level to the right gradient
3. assign a grade or rank to, according to one's evaluation
   同義詞：score, mark
4. determine the grade of or assign a grade to

相關句子：

1. He is in the third grade.
   他讀三年級。
2. I got good grades last term.
   上學期，我的分數很高。
3. He's not in the first grade as a musician.
   他不是第一流的音樂家。