booster ignition
辅助点火
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"Booster ignition and lift off for space shuttle Discovery, taking the space station to full power for full science," said a ground controller.
“发现号点火升空是为了完善空间站的科研功能。”一个地面控制人员说。
youdao
"Booster ignition and lift off for space shuttle Discovery, taking the space station to full power for full science,"
VOA: standard.2009.03.15
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