一项新的研究表明，即使是在决定使用哪只手按下按钮的问题上，大脑也几乎总有一个备用方案。
The brain almost always has a plan B, even when deciding which hand to use to press a button, a new study finds.
2005年，杜克大学工程系研究生同时也是一位极具热情的吉他手，莱尔斯，用胶合板、两个螺旋、一个滑板轴承和一些备用吉他部件制作了他的第一个调音器。
In 2005, Lyles, a Duke University engineering graduate and an avid guitarist, built his first tuner out of plywood, two screws, a skateboard bearing and some spare guitar parts.
请让技师们尽量补救，我会看看有没有人可以找出备用零件或是二手的机器。
Please have the mechanics do what they can and I'll see if anyone can locate some spare parts or second hand machinery.
要预防马向旁边移动，就要在他开始驿动的时候就准备用你的手去纠正他。
Prevent the horse from moving sideways by having your hand ready to correct the horse if he begins to move.
我们正学到关于备用伞的部分，这时候，一位学生举了手。
We had just gotten to the part about reserve parachutes when another student raised his hand.
她准备用湿手插电视的电源。
也有备用氨储罐群，1个备用的伸缩软管扭转耦合器，几个远程电源控制组件，甚或有1个用于专用灵巧机械手的备用手臂。
There's a spare ammonia tank assembly, a spare flex hose rotary coupler, several remote power control modules and even a spare arm for the Special Purpose Dexterous Manipulator.
也有备用氨储罐群，1个备用的伸缩软管扭转耦合器，几个远程电源控制组件，甚或有1个用于专用灵巧机械手的备用手臂。
There's a spare ammonia tank assembly, a spare flex hose rotary coupler, several remote power control modules and even a spare arm for the Special Purpose Dexterous Manipulator.
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