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
Are you from Taiwan?
您是从台湾来的吗？
A man apt to promise is apt to forget.
轻诺者易忘。
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。