She washed her hair every night and measured how much it grew in a week.
她每晚洗头发，而且量量看一星期长多少。
He measured the length of the room.
他量了房间的长度。
Angular distance is the distance between two objects measured as an angle from a given point.
角距离，是由一定点到两物体之间所量度的夹角。
