num. (数字)一;一个;(基数)一,第一;
n. 一个人;一点钟;一体;独一;
pron. 一个人;任何人;本人,人家;东西;
adj. 某一个的;一体的;一方的;
🗣️ 情景例句
and I didn't know what it would be like.
而且我也不知道将会是怎么一个样子。
Let us talk about it at our leisure.
那件事我们有空再谈吧。
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.