| 释义 |
DEFINITIVE EXAMPLES 权威例句〔crown glass〕A soda-lime optical glass that is exceptionally hard and clear, with low refraction and low dispersion.冕玻璃:一种极其坚硬、高度透明的、低折射、低色的散碱石灰光学玻璃美国传统〔crown lens〕The crown-glass element in an achromatic lens.冕玻璃透镜:在色差透镜中用冕玻璃做成的部件美国传统 |