汉字吧hanzi8.comgrade的英语例句
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South Point College does not grade the students' work.
南点学院不对学生的作业评分。
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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。
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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。