六十的

Low-angle water ice routes with short bulges up to 60 degrees. Still climbable with ten-point crampons.

小角度的冰坡，包含一些约六度的凸出，用爪的冰爪即可攀登。

"Holmes is dead," he said. "I have done with him." Ten of Sir Arthur's sixty books are about spiritism.

“福尔摩斯已死，”说，“我干掉。”瑟爵的六作中有是关于通灵学的。