low carbon flame
低碳火焰
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But the designers had also promised to make the first low carbon Olympic flame, and then couldn't come up with anything good enough.
尽管设计者们当初信誓旦旦地保证这会是奥运会史上首个低碳火炬，他们现在却无论如何也做不到尽善尽美。
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