mark off
柯林斯词典
1. PHRASAL VERB If you mark off a piece or length of something, you make it separate, for example by putting a line on it or around it. 画线分隔出
He used a rope to mark off the circle. 他用一根绳子把这个圈围了起来。
返回 mark off
1. PHRASAL VERB If you mark off a piece or length of something, you make it separate, for example by putting a line on it or around it. 画线分隔出
He used a rope to mark off the circle. 他用一根绳子把这个圈围了起来。