| 单词 | corrugate |
| 释义 | corrugate v. 1. tr. (esp. as corrugated adj.) form into alternate ridges and grooves, esp. to strengthen (corrugated iron; corrugated paper). 2. tr. & intr. contract into wrinkles or folds. Derivatives corrugation n. Etymology: L corrugare (as COM-, rugare f. ruga wrinkle) |
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