u s spacecraft sees possible water ice on mars美: beautiful; pretty探测器: finder; detector; seeker; so ...发现: find; discover火星: spark; sparkle; spunk; flake表面: surface; superficies; bounda ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:美探测器发现火星表面存在冰冻水迹象，即可在微信中查询翻译
