Language points
书本 百思 笔记本
add vt. & vi. addition n. additional adj. add to 增加 add…to… 把……添加到…… add up 加起来;前后一致;合乎情理 add up to 总计,累计,总计达
Travel adds to your understanding of the world.Don’t add fuel to the flames.His story just doesn’t add up. He must be lying.His whole schooling added up to no more than one year.


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