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
Could be.
也许。
I'm glad to meet you.
我很高兴认识你。
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.