saturate

1. V-T If people or things saturate a place or object, they fill it completely so that no more can be added. 使饱和; 使充满

In the last days before the vote, both sides are saturating the airwaves. 在投票前的最后几天，双方的宣传充斥着各个广播频道。

2. V-T If someone or something is saturated, they become extremely wet. 使湿透

If the filter has been saturated with motor oil, it should be discarded and replaced. 如果过滤器已被机油浸透，就应该丢掉并更换一个。