with a specified distance between one person or thing and another
在指明的距离之内
a bat can detect a moth at a range of less than 8 feet.蝙蝠能察觉八英尺之内的飞蛾。
a bat can detect a moth at a range of less than 8 feet.
蝙蝠能察觉八英尺之内的飞蛾。