今年我们已经就环境问题进行了多次热烈的讨论。

We've had many lively debates about environmental issues this year.

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We've had many lively debates about environmental issues this year.

debates 是名词 debate 的复数形式。debate 来自拉丁语,由前缀 de-(表示"向下、彻底")和词根 -bate(来自拉丁语 battere,意为"击打")组成,原意是"彻底击打",引申为"激烈讨论、辩论"的意思。在这里指"关于环境问题的正式讨论或辩论"。

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