dead centre
noun
1
- Baseball the area of the field directly ahead of the pitcher【棒球】死区。
2
- the exact centre of something正中：
Kansas, the dead centre of the USA
堪萨斯, 美国的正中部
as adv. most notebooks have a logo sitting dead centre.大多数笔记本电脑正中都有一个标识。
2.1
- the position of a crank when it is in line with the connecting rod and not exerting torque（曲轴）死顶尖, 静点。