We broke up into groups, and each group designed its own toy and made an alpha prototype.
我们分成几个小组，每个小组都设计了自己的玩具并制作了一个 alpha 原型。
2
The company shut all four of its Brent platforms, Alpha, Bravo, Charlie, and Delta, in January for repairs.
该公司在一月为了维修而关闭了旗下四个布伦特油田平台：阿尔法、布拉沃、查理和德尔塔。
3
The predictive signal is a steady rhythm of alpha waves emanating from the brain's right hemisphere, which are closely associated with relaxing activities.