safely和safety的区别safely是副词安全地的意思，safety是名词安全的意思。safely的例句He learned to walk safely up and down stairs；safety的例句They crossed the road in safety。
safety的例句There is grave concern for the safety of witnesses（人们非常担心证人的安全）；safely的例句Traders generally travel safely through the border（商人通常可以安全通过边界）。
