Until now, the evidence for ice has been circumstantial.That was based on photos Phoenix took of a hard splotchy area near its landing site and changes it saw in a trench.是什么意思_Until now, the evidence for ice has been circumstantial.That was based on photos Phoenix took of a hard splotchy area near its landing site and changes it saw in a trench.在线翻译_英语_读音_用法_例句