Definition: very steep Level: C2
悬崖有一个陡峭的崖面，令人望而生畏。
The cliff has a ___sheer face that is intimidating.
登山者在旅途中常常遇到陡峭的悬崖。
Mountaineers often encounter ___sheer cliffs on their journeys.
由于坡度陡峭，攀登很困难。
The ascent was difficult due to the ___sheer slope.
