金属具有许多优良的性能，这在前面已经讲到了的翻译：Metal has many excellent specifications, referred to this earlier 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

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Metal has many excellent specifications, referred to this earlier

The metal has many fine performance, this already talked about in front

Metal has many excellent performance, as has already been referred to the

Metal has many excellent specifications, referred to this earlier