But rather than simply visiting a co-orbital asteroid and bringing back rock samples, the mission could be used as a step toward the ultimate goal of space colonization.
但是,而不是简单地访问了co - or bital小行星和岩石样本带回,任务可以用作一步的终极目标的空间。
They clambered back under the falls to detach the raft from a jagged rock.
他们爬回到瀑布下面以便将卡在锯齿状岩石间的小艇拉出来。
On the back of it, an iron bed and a chair and table were tied, and on top of them a crate of Barred Rock chickens.
它的后面绑著一张铁床、椅子和桌子,上面还有一箱芦花鸡。
Early reviews suggest the new CD will push the punk rock trio right back to the top.
VOA: special.2009.05.29
Yeah, I got into rock climbing back in university, and I've been doing it ever since,
是,我上大学的时候开始攀岩,以后一直都攀,
They collected more than thirty kilograms of rock and soil to take back to Earth.
VOA: special.2009.07.15
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