crow flight distance

• 直线距离

crow flight distance的用法和样例：

例句

1. The villages are no more than a mile apart as the crow flies.
   这些村庄直线距离相隔不超过一英里。
2. It's only 10 km to the nearest town as the crow files, but the winding mountain road menas you'll have to drive at least an hour to get there.
   到最近的市镇，直线距离只有十公里，可是因为山路崎岖，至少要开一个小时才到得了。