This is a successful landing.

这是一次成功地降落。

youdao

The space travellers made a successful landing on the moon.

太空旅行者成功地登上月球。

youdao

The moon astronauts excitedly ground to Houston center reports: they have successful landing.

登月的宇航员兴奋地向休斯敦地面中心报告：他们已经胜利着陆。

youdao

This move had to be successful before any moon landing could be attempted.

VOA: special.2009.06.24

But we know you're all hard at work and you're getting some well-deserved rest after a successful landing.

WHITEHOUSE: The White House

"A successful landing will grant a huge breath of relief to the entire Mars science community tonight, " Wray said in an e-mail.

CNN: Rover Curiosity near Mars landing

Steady electronic "heartbeat" tones relayed from Curiosity across space to Earth indicated a successful landing to the control room at Jet Propulsion Laboratory.

WSJ: NASA's Curiosity Rover Lands on Mars