凹透镜凹透鏡

āo tòu jìng

释义

concave lens

在应用里学习 → 按笔顺书写

汉字

凹āoconcave, hollow; depressed; pass, valley一透tòuto pierce, to penetrate, to pass through; thorough辶秀镜jìngmirror, glass; lens, glasses钅竟