Measuring wheel
01
测量轮, 轮式测距器
a wheel-like device with a calibrated measuring mechanism used to measure distances on the ground
例子
She walked along the path with a measuring wheel to determine how much material would be needed for the walkway.
她沿着小路走，用一个测量轮来确定走道需要多少材料。
He pulled the measuring wheel across the field to find the exact distance from one end to the other.
他拉着测量轮穿过田野，以找到从一端到另一端的精确距离。
