1

我們

wǒmen

we; us; ourselves; our

2

正在

zhèngzài

to be in the process of (doing sth); to be currently ...-ing

3

雲層

yúncéng

the clouds cloud layer cloud bank

=4

上

shǎng

used in 上声 shǎngshēng

=4

上

shàng

(bound form) up; upper; above; previous first (of multiple parts) to climb; to get onto; to go up to attend (class or university) (directional complement) up (noun suffix) on; above

5

飛行

fēixíng

(of planes etc) to fly flying flight aviation