可引用的發言段落Citable transcript turn
#400394
講者：Speaker:
Of course, you know that there’s three Lagrange points between the two celestial bodies, and two others behind each celestial body.
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可引用的發言段落Citable transcript turn
講者：Speaker:
Of course, you know that there’s three Lagrange points between the two celestial bodies, and two others behind each celestial body.
j 下一段next turnk 上一段previous turn