chut

例句：

1. 1. The hunter found a big cave in the forest.
   猎人在森林里发现了一个大洞穴。
2. 2. The cave was dark and damp.
   这个洞穴又黑又潮湿。
3. 3. She squatted down to look into the cave.
   她蹲下来往洞里看。