收录互联网各类作业题目，免费共享学生作业习题慧海网手机作业共收录了 千万级 学生作业题目
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英语翻译
1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 其余都是以 th 结尾
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