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
I saw a real shark.
我看到一条真正的鲨鱼。
Today is the first day of spring.
今天是春天的第一天。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.