nonchalant and uneventful是什么意思，nonchalant and uneventful的翻译，nonchalant and uneventful音标、读音、用法和例句_開心英語字典

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nonchalant and uneventful是什么意思，nonchalant and uneventful的翻译，nonchalant and uneventful音标、读音、用法和例句_開心英語字典_柠咚词