全球变暖已经成为一个世界关注的问题，因为它已经严重威胁到了人类的生存的翻译：Global warming has become an issue of world concern, because it has been a serious threat to the survival of humankind 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Global warming has become a world concern, because it has been a serious threat to human survival

Global warming has become an issue of world concern, because it has been a serious threat to the survival of humankind

The whole world changed warm already becomes world the matter of concern, because it already was serious threatens humanity's survival

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Global warming has become an issue of world concern, because it has been a serious threat to the survival of humankind