The only advantage that running has over walking is that you can burn more calories in a shorter period of time.
比起步行，跑步的唯一优势是能让你在更短的一段时间里消耗更多的卡路里。
2
Copper wire color (dark red or white) : continuous annealing in the work period of the line burn soft and pass cooling section after cooling can achieve lead not hot, without water.
铜线变色(暗红或发白)：连续退火在工作段把线烧软，还要经过冷却段冷却后才能达到引出线不烫、不带水。
3
A comprehensive analysis of 1248 burn cases treated in the burn department of our madical college over a period of 19 years (June 1967-Decelnber 1985).