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duplicate

英英释义同义词辨析词组搭配考试真题实用场景例句

vt. 复制；使加倍
n. 副本；复制品
adj. 复制的；二重的
vi. 复制；重复

英英释意

1. something additional of the same kind;: "he always carried extras in case of an emergency"

2. a copy that corresponds to an original exactly;: "he made a duplicate for the files"