dead centre

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。

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。

The yellowish centre contains bacteria, sebum and dead skin cells.

黄色的中心含有细菌，皮脂和死亡的皮肤细胞。

The engine must be the cylinder 1 up dead-centre when the fuel injection pump is being mounted on the engine for feeding fuel on time. The small end of timer pin must be fitted inner uf-ter the fuel injection pump mounted on the engine.

喷油泵总成向发动机上安装时发动机必须处于1缸上死点，以保证供油正时，喷油泵装上发动机后，正时销必须小端朝里装入。

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。

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。