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
Helped him?
帮助他？
If his plan works, he'll earn 100 million in 10 years.
如果按照他的计划做，十年就能挣到一亿元了。
'Perfume, eh?' he asked sarcastically.
“香水，嗯？”他讥讽地说道，