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- bottom dead centre 下死点
- D. He hit the target at the dead centre. 他击中了靶的正中心。
- BDC - Bottom dead center. The bottom-most position of the engine piston stroke. 下止点。引擎活塞在燃烧推动下到达的最低位置。
- 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。
- The stroke is the distance the piston travels from BDC (Bottom dead center) to TDC(top dead center). 行程是活塞从下止点运行到上止点的距离。
- The stroke is the distance the piston travels from BDC (Bottom dead center ) to TDC(top dead center ). 行程是活塞从下止点运行到上止点的距离。
- 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。
- It may seem obvious, but the most essential skill a good snooker player can have is to be able to hit the cue ball dead centre. 虽然看似是显而易见的，但优秀的斯诺克选手可以掌握的最重要技能还是那种可以直击主球球心的能力。
- Upper limit of the piston movement is called as TDC (top dead center), and its lower limit is called as BDC (bottom dead center). 活塞运动的上限称为TDC(上止点)，下限称为BDC(下止点)。
- As Palin looses off a few rounds, a US Army instructor can be heard telling her approvingly: "You're pretty much hitting it dead centre. 在佩林打了一梭子之后，可以听到一位美国陆军教官的赞许“基本上正中靶心”。
- The first shooting opportunity for Chelsea fell dead centre - to Lampard who lofted his shot from the edge of the area over the bar on five minutes. 舍瓦和德罗巴坐在替补席上，卡卢的机会来了。科特迪瓦人以前首发过，而作为中锋首发还是第一次。
- The Bore is the diameter of the cylinder. The stroke is the distance the piston travels from BDC (Bottom dead center ) to TDC(top dead center). The Bore is always mentioned first. 内径指的是气缸的直径;行程是活塞从下止点运行到上止点的距离。表述时,内径总是写在前面。
- If dead centre of bone of the tendon before leg cannot be withheld, also should withhold enough length, at bone damage upright ahead rebuilds tendon dead centre. 胫前肌腱骨止点如不能保留,也应保留足够长度,于骨残端前方重建肌腱止点。
- The dead centre of the exploded star, known as the Helix nebula, is pictured surrounded by rings of gases from the former star and nearby planets that appear to have survived its death throes. 螺旋星云;也就是爆炸恒星的死亡中心;被恒星和周围幸存的卫星释放的气体包围.
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The gardener picked off the dead flowers. 园丁把所有凋谢的花朵摘了下来。
