1. The total rain and snowfall amounted to 5 inches. 总降雪和降雨量合计5英寸。
2. What is the average annual snowfall for this state? 这个国家的年平均降雪量是多少?
3. Surplus snowfall is essential for a glacier to develop. 过剩的降雪是冰川形成的必要条件。
4. Its chances for survival are best if it turns white about the time of the first snowfall. 如果它在第一次降雪时就变成白色,生存几率会是最高的。
5. The cave-making recipe calls for a steady emission of volcanic gas and heat, a heavy annual snowfall at an elevation high enough to keep it from melting during the summer. 洞穴的形成需要火山气体和热量的稳定释放,海拔高到足以防止每年的大量降雪在夏季融化。