Sent_en: 2zh Griffin, in testimony before the House Science Committee in 2004, outlined more ambitious plans for human exploration and settlement of the solar system in which he believes the United States should play a key role.
Sent_yy: 格里芬于2004年在众院科学委员会作证时，提出了更加雄心勃勃的人类探索与太阳系移民计划，并认为美国应该发挥关键作用。