正当，恰好在…的时候
at the same time as
I tried to reason with him, but even as I started to explain what had happened he stood up to leave. 我试图和他理论，可是我刚一开口解释所发生的事情，他就起身要走。
Even as temperatures fall, the fashion industry is gearing up for its next summer season.
They were forced to spend more on advertising even as the cost of raw materials soared.
Even as the party stands on the brink of power, bickering between senior members threatens to damage it.
Even as bombs started falling, he was still insisting that there would be no war.
See also: even adverb (SURPRISE)