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 did not notice it until yesterday.
我一直到昨天才注意到它。
My father used to smoke, but now he doesn't.
w
I can't follow you.
我不懂你说的。