eg:Chinese-Chinese Japanese-Japanese Swiss-Swiss一组一分。多写多给。
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Chinese-ChineseJapanese-JapaneseSwiss-SwissVietnamese-VietnameseSpanish-Spanish
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Erin 的回答有很多问题,同意楼上的.
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英语中不同国家的人的单复数
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Korean-KoreanFrench-FrenchAmerican-AmericanAustralian-AustralianWelsh-WelshThai-ThaiBoer-BoerVietnamese-VietnameseEnglish-EnglishIrish-IrishDutch-DutchGerman-GermanSpanish-SpanishIndonesian-IndonesianNew Zealander-New ZealandersItalian-ItalianSingaporean-SingaporeanPhilippine-Philippine