They lifted off on July 21, 1969 as planned and returned to Earth a few days later.

他们在1969年7月21日如计划起飞，并在数日以后回到了地球。

youdao

Pieces of the lander were removed and returned to Earth after spendingtwo years on the lunar surface. (NASA)

“勘测者3号”在月球表面工作两年时间以后，其零部件被拆卸，然后运回了地球。

youdao

It was dogged by bad luck, ranging from solar flares to boulder-strewn landing fields, and returned to Earth three years late.

它历经艰难险阻，曾遭遇厄运(经历了从太阳耀斑到布满巨型卵石的登陆场)，最终推迟3年返回地球。

youdao

That was when men from Earth -- American astronauts flew their Apollo Eleven spacecraft to the moon, landed and returned home safely.

VOA: special.2009.07.29

Stardust then returned to Earth and released a special reentry capsule containing the material it had collected.

VOA: special.2009.09.30

And they placed a small satellite in lunar orbit before they returned to Earth.

VOA: special.2009.07.29

After the second docking was completed, Shenzhou-8 separated again from Tiangong-1 and then returned to Earth.

FORBES: Chinese Docking Mission A Success; Shenzhou-8 Returned To Earth

The X-37B Orbital Test Vehicle is led by the Air Force Rapid Capabilities Office, and is designed to demonstrate reusable spacecraft technologies for America's future in space and operating experiments which can be returned to, and examined, on Earth.

ENGADGET: USAF relaunches its first X-37B on a slightly less mysterious spaceflight

The telescope mission has more than one Achilles' heel: it cannot be serviced by astronauts, as Hubble was, once it is in space, and it cannot be returned to Earth once it is launched.

CNN: Collins