母球

在台球中母球撞了一个球后又撞击另一个。

A shot in billiards in which the cue ball contacts one object ball and then the other .

撞球的一种，有15个红色的球、6个其他颜色的球和一个母球。

A form of pool played with 15 red balls and six balls of other colors and a cue ball .

弹子球或台球中用来撞击母球的尖细的杆子。

Tapering rod used to strike a cue ball in pool or billiards .

现在子球已经改变了位置，但是母球和它的连接点还没有被改变。

Now , the children have moved , but the parent and its connection points haven 't changed .

如果在一次击球中球杆接触母球多于一次，则为犯规。

If the cue stick contacts the cue ball more than once on a shot , the shot is a foul .

这只是猜测，就像台球的擦边打法你把母球击边之后，希望能有所收获，他说。

" It 's a guess ; it 's a bank shot-you throw it on the wall and hope for something ," he says .

拉杆的速度远比推杆难控制，所以，花些时间去努力练好控制拉杆母球的位置是很有价值的。

Draw speed is harder to judge than follow so it 's well worth any time and effort you can devote to doing draw position drills .

当母球鳞茎平均为6.19cm时，子球年分化率为14.56，是一般分球繁殖的5-7倍。

The bulblet forming rate of the bulb with 6.19 cm in diameter was 14.56 % , which was 5-7 times as high as that of vegetatively propagated bulb .

我们要能够让母球非常精确的沿着瞄准线运动，而且要带着我们需要的旋转（或者没有旋转），还要刚好是我们计划的速度。

We have to be able to send that cue ball down the target line with extreme precision , with our intended spin ( or lack of spin ), and with exactly the speed we planned .