中文说明：美赛中英文对照，O奖带翻译喔
English Description：
American contest in Chinese and English, O prize with translation Oh
American contest in Chinese and English, O prize with translation Oh
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中文说明：美赛中英文对照，O奖带翻译喔
English Description：
American contest in Chinese and English, O prize with translation Oh1554_英 (2).pdf
1554_汉 (1).pdf