| 释义 |
〔aperture〕A usually adjustable opening in an optical instrument, such as a camera or a telescope, that limits the amount of light passing through a lens or onto a mirror.光圈：光学仪器上的一个可调开口，如照相机或望远镜，它控制穿过镜头的或到镜面的光的数量〔watchband〕A band of leather, cloth, metal, or plastic with an adjustable clasp that holds a wristwatch in place.表带：有可调扣的皮、布、金属或塑料带将手表固在腕上相应位置〔alligator〕A tool or fastener having strong, adjustable, often toothed jaws.鳄口钳：一种工具或夹子，有坚固可调的，通常为齿状的钳口 |