🗣️ 情景例句
Good-bye.
再见。
You make the failure complete when you stop strying.
不再努力之时，就是完全失败之日。
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。