verification flight

• 试验飞行

verification flight的用法和样例：

例句

1. Our test flight was to discover the bugs in the new plane.
   试验飞行是为了发现新飞机有何毛病。
2. The first orbital test flight is scheduled for just two and a half years from now.
   预计第一次轨道试验飞行将在两年半后进行。