| 词汇 | ring binder |
| 释义 | ring binderBrE /ˈrɪŋ baɪndə(r)/ NAmE /ˈrɪŋ baɪndər/ noun a file for holding papers , in which metal rings go through the edges of the pages , holding them in place 活页簿；活页夹 |
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