grade
英 [ɡreɪd]
美 [ɡreɪd]
- n. 年级；等级；成绩；级别；阶段
- vt. 评分；把…分等级
- vi. 分等级；逐渐变化
- n. (Grade)人名；(英)格雷德；(法、德、西、葡、塞、瑞典)格拉德
使用频率:
记忆方法
将“grade”与“梯级”联系起来记忆。想象一个教育体系中的等级就像一排一排的梯级，学生按照成绩从下到上逐级而上，这样就可以直观地记住“grade”指的是成绩或等级。
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中文词源
grade 等级，年级
来自PIE*ghredh, 走，台阶，层级，词源同ingress, aggressive.后词义通用化，年级。
英语词源
- grade (n.)
- 1510s, "degree of measurement," from French grade "grade, degree" (16c.), from Latin gradus "step, pace, gait, walk; step on a ladder or stair;" figuratively "a step, stage, degree," from gradi (past participle gressus) "to walk, step, go," from PIE *ghredh- "to walk, go" (cognates: Lithuanian gridiju "to go, wander," Old Church Slavonic gredo "to come," Old Irish in-greinn "he pursues," and second element in congress, progress, etc.). Replaced Middle English gree "step, degree in a series," from Old French grei "step," from Latin gradus.
Meaning "inclination of a road or railroad" is from 1811. Meaning "class of things having the same quality or value" is from 1807; meaning "division of a school curriculum equivalent to one year" is from 1835; that of "letter-mark indicating assessment of a student's work" is from 1886 (earlier used of numerical grades). Grade A "top quality, fit for human consumption" (originally of milk) is from a U.S. system instituted in 1912. To figuratively make the grade "be successful" is from 1912; early examples do not make clear whether the literal grade in mind was one of elevation, quality, or scholarship. - grade (v.)
- 1650s, "to arrange in grades," from grade (n.). Meaning "to reduce (a road, etc.) to a level or degree of inclination" is from 1835. Meaning "assign a letter mark to" is from 1931. Related: Graded; grading.
权威例句
- 1. The boy first showed promise as an athlete in grade school.
- 这个男孩在上小学的时候就初次显示出成为运动员的潜力。
- 2. South Point College does not grade the students' work.
- 南点学院不对学生的作业评分。
- 3. It was actually used for enriching uranium to weapons-grade levels.
- 实际上，它是用来将铀浓缩以制造武器。
- 4. Simply sand them down with a fine grade of sandpaper.
- 只要用细砂纸把它们打磨一下即可。
- 5. All parts are machined from top grade, high tensile aluminium.
- 所有零件都是用顶级高强度铝加工而成。
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