An array of stone points, knives, and bone spear parts date to Ice Age hunters roaming Montana 11, 000 years ago.
石器，刀，骨矛配件仿佛把我们带回了11000年前的蒙大拿冰河时代狩猎场景。
2
Adelie Penguins require dry land for breeding grounds and stone pebbles for creating nests, but their greater survival depends on the presence of sea ice.
阿德利企鹅需要干燥的陆地作为滋生地，鹅卵石去建巢穴，但是他们更大的生存依赖是海洋冰川的出现。
3
The stone was cold; the perspiration lay ice-cold on his brow; he straightened himself up with a shiver.