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
He is quick-witted.
他反应灵敏。
A man cannot whistle and drink at he same time.
一心不能二用。
feel that they have not received adequate treatment unless they are able to carry home with them some tangible remedy in the shape of a bottle of medicine,