crevasse的复数形式怎么写

He fell down a crevasse.他从裂缝处摔了下来。Below was a terrifyingly deep crevasse.下面是个令人毛骨悚然的深不见底的裂隙。The deep crevasse yawned at their feet.他们脚下的冰川有一道深深的裂缝....

crevasse的音标：crevasse的英式发音音标为：[krə'væs]crevasse的美式发音音标为：[krɪ'væs]...

n.破口，崩溃处，裂缝vt.使有裂缝...