问题描述：
请教一个词even的意思
North of the warm front is a mass of cooler air that was in place before the storm even entered the region.
这里storm后面的even是做什么成份?
North of the warm front is a mass of cooler air that was in place before the storm even entered the region.
这里storm后面的even是做什么成份?
问题解答：
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