dead centre

1. He adjusted each chesspiece so that it stood dead centre in its square
   他调整每颗棋子，使它们立于格子的正中央。
2. Mars was visible, dead in the centre of the telescope
   可以看得见火星，就在望远镜的正中央。
3. Set engine to top dead centre again.
   重新将发动机调整到上止点处。
4. Thousands of innocents lie dead in the wreckage of the World Trade Centre; hundreds more seem likely to have perished at the Pentagon and in a crashed airliner in Pennsylvania.
   成千上万无辜的民众丧生于世贸中心的废墟；袭击五角大楼过程中以及宾夕法尼亚的飞机失事事件中也可能有数百人殒命。
5. Take your time aiming and when you think that you can hit the cue ball dead centre, take your shot.
   瞄准时要稳，在你认为自己可以准确击中主球的球心时再击球。
6. The table was placed in the dead centre of the room.
   房间的正中央摆了一张桌子。
7. But what is increasingly dead is a hope that was briefly fashionable earlier this decade: namely, that London could be the top global financial centre for the foreseeable future.
   但一个在本十年初曾短暂流行的希望正逐渐熄灭，即伦敦在可预见的未来有望成为全球顶级金融中心。
8. A policeman was shot dead in the city centre last night.
   昨晚一名警察在市中心被枪击而死。
9. Heck once more with the dial gauge whether the engine is at top dead centre.
   再次用百分表检查发动机是否位于上止点。
10. The factors affecting the position accuracy of top dead centre of the engine piston in static condition and the method of two equivalent height determination
    发动机活塞静态上止点位置精度的影响因素及其两次等高测量法

noun

1. the position of a crank when it is in line with the connecting rod and not exerting torque

   Synonym:    dead center