mid-tap

例句：

1. 1.The team decided to meet at the mid-point of the field.
   队伍决定在场地中间点集合。
2. 2. Mid-point is a useful concept in geometry.
   中点是几何学中的一个有用概念。
3. 3.The car was parked at the mid-point of the road.
   汽车停在路中间。