（阅读微技能：根据上下文理解新词）
Compare to looking up the new words in a dictionary while we come across new words in reading, using context to understand the new words is better.
How to: Find Clues.
Clues: Includes word clue, sentence clue.
Word clue: Synonym(近义词), antonym(反义词), the connection between the words.
Sentence clue: To catch sentence clues, we need to find the “sign word“, which may delicate the contrast, examples or explanation.