这种藤蔓植物生长得如此迅速，以至于几个月内就覆盖了整个篱笆。

The ___kudzu grows so fast that it covered the entire fence within a few months.

社交媒体上的假新闻像野葛一样迅速蔓延，难以控制。

Fake news spreads like ___kudzu on social media, becoming hard to stop.