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More than a quarter of seven-year-olds cannot add properly.
超过1/4的7岁儿童不会正确地做加法。
《柯林斯英汉双解大词典》
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He suggested a link between class size and test results of seven-year-olds.
他建议把7岁儿童的班级大小和考试结果相关联。
《柯林斯英汉双解大词典》
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He suggested a link between class size and test results of seven-year-olds.
他建议把7岁儿童的班级大小和考试结果相关联。
《柯林斯英汉双解大词典》