在学习英语词汇中，有时同义词的辨析是很不容易的，我们一般从三方面进行区分，即：语法、语义和文体。语法主要是词性、搭配、句式等的区分；语义主要是词义的本义、引申义、比喻义和内涵和外延等的区分；文体主要是正式和非正式、褒义和贬义等的区分。
2.时代(期)
(时期)period: It indicates any passage of time, great or small. /an extent of time of any length.
(时代)time(s): It refers to a period in history. in ancient times/ in Victoria time
(新时代)epoch: It indicates a long period of time marked by events or development of a particular kind.
The first flight into space marked a new epoch in the history of mankind.
(纪元)era: It refers to a very long period of time marked by a particular feature in a great new era of world revolution
(时期)age: It shows a particular /a fairly definite period in history. the Bronze
Age, Iron Age
- 考试辅导
