| 词汇 | diameter |
| 释义 | diameter /daɪ`amәtɚ/ n. A straight line through the center of a figure, dividing it in half. 对径。 The length of straight line through the center of a circle, sphere, etc. 直径。 The diameter of earth is 7,926 miles. 地球的直径为7,926哩。 A unit used to measure the magnifying power of binoculars, microscopes, etc. 倍(表示透镜放大倍率的单位)。 derivatives adj. diametral. |
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