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1·Dust masks are graded according to the protection they offer.

防尘面具根据其提供的防护而分级。《柯林斯英汉双解大词典》

2·A recent study graded more than 600 internet retailers on how easy it was for consumers to shop, buy, and pay.

最近的一项研究对600多家网络零售商进行了评分，评估消费者购物、购买和支付的便利程度。

3·The best students are graded A.

最优秀的学生评为甲等。《牛津词典》

4·Ten beaches were graded as acceptable.

有十个沙滩属于可接受的那一类。《牛津词典》

5·Eggs are graded from small to extra large.

鸡蛋从小号到特大号分成不同等级。《牛津词典》

6·The containers are graded according to size.

这些容器按大小分类。《牛津词典》

7·Once its impurities had settled, the oil could be graded.

一旦杂质沉淀下去，油就可以定级了。《柯林斯英汉双解大词典》

8·Responses were graded from 1 (very satisfied) to 5 (not at all satisfied).

回答按1（非常满意）到5（完全不满意）分类。《牛津词典》

9·They are carefully graded.

它们被仔细地分成各种级别。

10·If a class is graded on a curve, cheating hurts others' grades.

如果一个班级是按照正态评分的，作弊会影响其他人的成绩。

(1)graded bedding粒级层；序粒层；粒级层理