int.

名词

1. 一段时间；时期
A period is a length of time.

2. （个人、组织或社会的）阶段，时期，时代
A period in the life of a person, organization, or society is a length of time which is remembered for a particular situation or activity.

3. （历史上的）阶段，时期
A particular length of time in history is sometimes called a period. For example, you can talk about the Victorian period or the Elizabethan period in Britain.

4. （服装、家具、乐器）过去的，古代的，具有某个时代特征的
Period costumes, furniture, and instruments were made at an earlier time in history, or look as if they were made then.

5. （练习、训练、学习的）时间，时段
Exercise, training, or study periods are lengths of time that are set aside for exercise, training, or study.

6. 课；课时；节
At a school or college, a period is one of the parts that the day is divided into during which lessons or other activities take place.

7. 月经
When a woman has a period, she bleeds from her womb. This usually happens once a month, unless she is pregnant.

8. 到此为止；不再说了
Some people say period after stating a fact or opinion when they want to emphasize that they are definite about something and do not want to discuss it further.

9. 句号
A period is the punctuation mark (.) which you use at the end of a sentence when it is not a question or an exclamation.