He looked vaguely around the room as he spoke, his mind elsewhere.他边说话边茫然地打量着房间，心不在焉的样子。"I'm not sure," Liz said vaguely.“我不确定，”利兹含糊其词地说。Arnold felt vaguely embarrassed.阿诺德感到有点儿尴尬。...
木星的卫星木卫二好像有流动的海洋.Europa a moon of Jupiter, appears to a liquid ocean.科学家们发现关于木卫二的什么信息?What have scientists found about Europa a moon of Jupiter?在木星的外围轨道上, 这些卫星是木卫一 、 木卫二 、 木卫三和木卫四.In their outward order from Jupiter, the...