名词

1. 石罅;地缝;冰缝
A chasm is a very deep crack in rock, earth, or ice.

2. (事物或团体间的)显著差距，巨大分歧
If you say that there is a chasm between two things or between two groups of people, you mean that there is a very large difference between them.

1. a deep opening in the earth's surface