yesterday

昨天；往昔英释nnthe day before today

昨天英释advadvon or during the day before today

1 yesterday morning,昨天早上

2 yesterday evening,昨天晚上，前晚

3 day before yesterday,前天

4 since yesterday,从昨天

5 born yesterday,乳臭未干

1 yesterday’s meeting.昨天的会议

2 They arrived the day before yesterday..他们前天到的。