Meaning of kōng zhōng:
kōng zhōng
空中
Adverb
in the sky; in the air
Fēijī zài kōngzhōng fēixíng.
飞机在空中飞行。
The airplane is flying in the sky.
Zài kōng zhōng fēixiáng de niǎo ér kàn qǐlái hěn zìyóu.
在空中飞翔的鸟儿看起来很自由。
The birds flying in the air look very free.