Iab
[计] Internet活动委员会
🏥 医学释义
主动脉内球囊
🗣️ 情景例句
I like it there.
摆在那里很好。
Do you have any friends?
你有朋友吗？
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。