释义 |
concaveUK:*/ˈkɒnkeɪv/, /kɒnˈkeɪv/US:/kɑnˈkeɪv, ˈkɑnkeɪv/US:(adj., v. kon kāv′, kon′kāv; n. kon′kāv) 主要翻译 concave adj (curved inwards)凹的The lens was concave and about 2 mm thick. 复合形式: concave mirror n (curves inward)凹透镜Most large astronomical telescopes use a concave mirror to bring the light to a focus. |