1. This is my second time visiting Beijing.
这是我第二次访问北京。

2. Can you wait for me a second while I grab my jacket?
你能等我一下吗？我去拿外套。

3. I will be there in a second, just finishing up this email.
我马上就到，就在收尾这封邮件。

4. The second book in the series is even better than the first.
这个系列的第二本书比第一本更好。

5. She finished the race in second place.
她以第二名的成绩完成了比赛。

6. Please give me a second to think about it.
请给我一点时间考虑一下。