英语释义
1. a period of 100 years 
a company that has been in business for more than a century specifically one of the 100-year divisions of the Christian era or of the preceding period of human history 
the third century A.D./B.C the 18th century
2. a group, sequence, or series of 100 like things
3. a subdivision of the Roman legion 
the third century A.D.
4. a voting unit of ancient Rome constituted according to property qualifications
5. a race over a hundred units (such as yards, miles, or meters)
6. a period of 100 years
7. a period of 100 years counted from the beginning of the Christian era