adv. 什么时候;(用于时间的表达方式之后)在那时;其时;当时;
conj. 在…时;既然;如果;
pron. 什么时候;那时;
n. 时间,时候;日期;场合;
🗣️ 情景例句
Could you have a taxi waiting for me, please?
能否叫辆出租车等我?
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
As a great many people will be visiting the country, the government will be building new hotels, an immense stadium, and a new Olympic-standard swimming pool.