Amblygonite
n. [矿]锂磷铝石
🔁 扩展释义
【化】 磷铝石
🗣️ 情景例句
Row. Row.
Row。 Row。
I understand completely.
我完全明白。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。