Mr Lemmens said that future spacecraft "should be designed in such a way that they can take themselves out of orbit safely, preferably by doing controlled re-entries".
在这个团圆的日子里，不必过分纠结构图是否完美，也不必在意噪点是否纯净，最好的照片，其实就是多年后再次翻看时，能瞬间把你拉回这个喧嚣、温暖、充满饭菜香气的除夕夜的那一张。
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Falling headlong off the tee() memory cliff
"Many of these churches have been on these sites for probably 1,000 years, and probably as long as they've been standing they've had bats in them," says Diana Spencer, from the Bats in Churches Project.
Что думаешь? Оцени!