Undc
联合国裁军委员会
🗣️ 情景例句
Bye, see you later.
后会有期。
By no means.
决不。
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。