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
I wish I had one now.
我真希望现在就来一个。
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
I have just heard from my sister, Mary.
我刚收到我妹妹玛丽的一封信。