The important point about Falcon 9, so called because its lift-off is propelled by nine of SpaceX's proprietary Merlin rocket motors, is that it is powerful enough to put people into orbit.
称为“猎鹰九号”,是因为它的升空推进力来自于九架由太空探索技术公司自行研发的“莫林”火箭发动机。重点在于这架火箭拥有足够的动力把人送入太空轨道。
More unusual species of bird are merlin, peregrine falcon, corncrake and chough.
不大常见的鸟类品种有灰背隼、游隼、秧鸡和红嘴山鸦。
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