chasm

1. N-COUNT A chasm is a very deep crack in rock, earth, or ice. (岩石、地面或冰上的) 大裂口

...a yawning fourteen-foot-deep chasm which inexplicably had opened up in the riverbed. …河床上莫名其妙地开了一个14英尺深的敞开的大裂口。

2. N-COUNT 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. 鸿沟; 巨大分歧

...the chasm that divides the worlds of university and industry. …隔开大学与产业之间的的鸿沟。