1.Daniels is suing President Trump and attorney Michael Cohen, seeking to invalidate the non-disclosure agreement.

invalidate 使无效

When performing writes to the database, I have to first perform the database write and then invalidate any previously cached results that would be affected by this write.
将数据写入到数据库中时，首先需要执行数据库写入操作，然后将之前缓存的任何受此写入操作影响的结果设定为无效。

2. A three-alarm fire engulfed a safeway supermarket in Phoenix Wednesday.

engulf 吞没

The overflowing river has engulfed many towns and villages along its banks.
泛滥成灾的河水已把其沿岸一带的许多城乡给淹没了。 
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