"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says.
"But you must keep up the exercise regime. Because you're staying fit in space, not for space itself, but for when you return back to the punishing gravity environment of Earth. Those first two or three days back on Earth can be really punishing."，详情可参考safew官方版本下载
Последние новости。业内人士推荐旺商聊官方下载作为进阶阅读
Publication date: 10 March 2026