1970年苏联向月球发射了由飞行器承载的激光反射器，然而几个月后它就消失了。

In 1970 the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared.

youdao

1970年苏联向月球发射了由飞行器承载的激光反射器，然而几个月后它就消失了。

In 1970 the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared.

youdao