Odometry
测程法
🗣️ 情景例句
Yup. Forty-three years.
是的， 四十三年了。
Yes, but I'd rather not have done it.
是的，但我宁可没有这样做。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向