| 单词 | concave |
| 释义 | concave /kɒnkeɪv; name kɑːnkeɪv, kɑːnkeɪv/ (of an outline or surface) curved inwards（轮廓或表面）凹的，凹陷的◆the inside of a shiny spoon is a common example of a concave mirror.光亮的调羹其内部是凹镜的常见例子。 opp convex concave/kɒnˈkeɪv ||; kɑnˈkev/adj having a surface that curves towards the inside of sth, like the inside of a bowl 凹 ☞look at convex. 参看convex。 ☞picture at lens 见lens插图 con·cave /kɑn`kev; ˌkɒnˈkeɪv◄/adjhaving a surface that curves inwards 凹的，凹面的:◇a concave mirror 凹镜→ opposite 反义词 convex |
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