Collins had to pilot the shuttle through a 360 degree flip while flying beneath the International Space Station. It allowed colleagues on the orbiting lab to photograph the craft's underside and check if the heatshield had been breached.
他在地上挣扎扭动，随后再也没有起身，袭击就此结束。
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致力非凡之事业，必有非凡之精神。
const points = []; // 一系列二维点
for (let i = 0; i