chasm

n. /ˈkæz.əm/ C1

裂口；大深坑；巨大分歧

A very deep, wide opening or crack in the ground.

仙境例句

A wide chasm cut through the garden, so deep Alice could not see the bottom.

一道宽阔的深渊横穿花园，深得让爱丽丝看不见底。