testflight什么意思
test flight意思是试飞。
The test flight was to discover the bugs in the new plane.
试验飞行是要发现新飞机有何缺陷。
The aircraft behaved well on its first test flight.
飞机在第一次试飞中性能良好。
Reaction to the test flight was mixed.
这次试飞的反映褒贬不一。
The engine cracked on the first test flight.
在首次试飞时，发动机发生裂纹。
Test Flight Technology of Airplane Propulsive System in Prospect
飞机推进系统飞行试验技术的发展