2019学年度人教版选修八Unit 5Travel abroad Period1Reading 课件(47张)(1)
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a thing or person that is used instead of another thing or person; to use sth. or someone instead of another thing or person

a group of words in a fixed order that have a particular meaning that is different from the meanings of each word understood on its own

a short piece of writing on a particular subject, especially one done by students as part of the work for a course

essay

n. 文章;散文

substitute

n. 代替者; 代用品 vt. 用……代替……

idiom

n. 习语;成语