Correct

试飞

/ shì fēi / 
Strokes

Definition

test flight

Example

As a Verb

test-fly

1
Jìnxíng
进行
shìfēi
试飞

carry out a test flight; make a trial flight

2
Shìfēi
试飞
xīn
新
fēijī
飞机

test-fly new planes