Subject + 升空
升空 (shēngkōng) means "to ascend into the sky" or "to lift off." It is often used to describe rockets, aircraft, or other objects rising into the air.
火箭点火后缓缓升空,场面非常壮观。
Huǒjiàn diǎnhuǒ hòu huǎnhuǎn shēngkōng, chǎngmiàn fēicháng zhuàngguān.
After ignition, the rocket slowly ascended into the sky — the scene was very spectacular.
热气球慢慢升空,我们看到了整座城市的全景。
Rèqìqiú mànmàn shēngkōng, wǒmen kàn dào le zhěng zuò chéngshì de quánjǐng.
The hot air balloon slowly rose into the sky, and we saw a panoramic view of the entire city.
飞机升空之后,地面上的房子变得越来越小。
Fēijī shēngkōng zhīhòu, dìmiàn shàng de fángzi biàn de yuè lái yuè xiǎo.
After the plane took off, the houses on the ground became smaller and smaller.