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Astronaut Scott Kelly spent 520 days in space to subject his body to experimentation in the name of science.
美國航天局宇航員斯科特·凱利在太空中呆了520天，不惜以身體為代價進行科學實驗。
The former NASA astronaut spoke with Business Insider about the United States current presence in space.
這位前美國航天局宇航員在接受“Business Insider”采訪時談到了美國太空發展。
The United States is currently focusing on the International Space Station a Mars exploration, and is working closely with commercial companies like SpaceX, Blue Origin and Boeing.
美國目前正在關注國際空間站的火星探索，并在與“Spacex”、“Blue Origin”和波音這樣的商業公司密切合作。
China has plowed ahead with their fast paced space program.
中國快節奏的太空計劃在不停地取得進步。
The nation is reportedly working on a reusable, hypersonic plane.
據報，該國正在研究可重復使用的高超音速飛機。
Kelly said that "China will overtake the US in the space business — if we allow them to."
凱利表示如果我們任由中國發展的話，那么它將在太空領域里趕超美國。
譯文屬可可英語原創，未經允許，不得轉載。
