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"The Moon is something that I've taken for granted. I've looked at it my whole life, but then you just glance at it and glance away," he said.
。关于这个话题，heLLoword翻译官方下载提供了深入分析
The scientists were already investigating the problem of pollution from space debris when they realised a SpaceX Falcon 9 had failed in flight.
Source: Computational Materials Science, Volume 267
2018年，习近平总书记在宜昌考察时强调，要坚持把修复长江生态环境摆在推动长江经济带发展工作的重要位置，共抓大保护，不搞大开发。