Flight-testing
v. 试飞（飞机）( flight-test的现在分词 )
🧩 词语组成解析
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
🗣️ 情景例句
We have strict procedure around here and we expect all of our staff to follow it.
我们这儿有非常严格的工作程序，希望全体员工遵守。
What sort of guarantee do you offer on your product?
你们提供什么样的产品保证呢？
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。