🧩 词语组成解析
a. 有关智慧的
book
[bʊk]
n. 书;卷;课本;账簿;
vt.& vi. 预订;
vt. 登记;(向旅馆、饭店、戏院等)预约;立案(控告某人);订立演出契约;
adj. 书的;账簿上的;得之(或来自)书本的;按照(或依据)书本的;
🗣️ 情景例句
A dollar is valued at eight point two RMB yuan.
一美元价值8.2元人民币。
Yes,he is.
是的,他是。
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。