| 单词 | 可调 |
| 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 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。