quicksandy

例句：

1. 1. The quicksand is treacherous and difficult to navigate.
   泥沼危险且难以导航。
2. 2. The quicksand was so deep that it swallowed the boat whole.
   泥沼太深了，以至于整个船都被吞没了。
3. 3. The quicksand was a hazardous area for any unwary traveler.
   泥沼是任何不谨慎的旅行者的危险区域。