例句與造句

1. However the majority of frost heaving and of bedrock fracture results instead from ice segregation in ice lenses in the near-surface frozen regions.
2. Nighttime temperatures as low as minus 7 Celsius ( 18 Fahrenheit ) have hung around for several days across the country leaving playing surfaces frozen.
3. Everywhere on the treeless tundra north of the jagged slopes of Alaska's Brooks Range, explosive bursts of vegetation-- willows, alders, birch and many shrubs-- are thriving where permafrost once kept the tundra surface frozen in winter.
4. It's difficult to find surface frozen in a sentence. 用surface frozen造句挺難的