Carlic acid
[建] 卡尔酸
🧩 词语组成解析
🗣️ 情景例句
It's almost ten o'clock.
差不多十点了。
I have forgotten his telephone number.
我忘记了他的电话号码。
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。