| 词汇 | concave |
| 释义 | concave 1 ENTRIES FOUND: concave (adjective) concave /ˌkɑːnˈkeɪv/ adjective concave /ˌkɑːnˈkeɪv/ adjective Learner's definition of CONCAVE [more concave; most concave] : having a shape like the inside of a bowl : curving inward凹的 a concave lens凹透镜 — opposite convex |
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