拉勒说嫦娥二号的此次任务意义最为重大之处在于它将下降至9.5英里高的月球轨道上，这是难度很大的成就。

Mr. Lele said the most significant aspect of the Chang'e 2 mission was the attempt at a 9.5-mile-high orbit, a difficult feat.

youdao

拉勒说嫦娥二号的此次任务意义最为重大之处在于它将下降至9.5英里高的月球轨道上，这是难度很大的成就。

Mr. Lele said the most significant aspect of the Chang'e 2 mission was the attempt at a 9.5-mile-high orbit, a difficult feat.

youdao