area under canopy

• 覆盖面

area under canopy的用法和样例：

例句

1. If the frozen part of the body has been thawed, cover the area with a dry sterile dressing with a large bulky protective covering, pending medical care.
   如果冻伤部位已经解冻，用覆盖面很大的消过毒的干衣服盖住伤处，直到医生到达。