宇航员取回了一块月岩样本.Astronauts brought back a piece of the moon.1993年, 一块苏联的月岩标本在苏富比拍出了$442, 500的高价.S . government property . At Sotheby's in 1993, a Soviet sample fetched $ 442, 500....

“月岩”的拼音为：yuè yán...

“月岩”的英语可以翻译为：lunar rock，lunabase，marebase ...