the great size or extent of something 巨大,广大,庞大 they may feel discouraged at the magnitude of the task before them. 面对这一庞大任务,他们可能会感到气馁。 ■great importance 重要,重大,重要性 events of tragic magnitude. 重大的悲剧事件。
size 尺寸;大小 electorates of less than average magnitude. 低于平均人数的选民体。 ■[count noun]a numerical quantity or value 数量;数值 the magnitudes of all the economic variables could be determined. 所有经济变量的数值都可以计算出来。
the degree of brightness of a star. The magnitude of an astronomical object is now reckoned as the negative logarithm of the brightness; a decrease of one magnitude represents an increase in brightness of 2.512 times 星等(星的亮度) ■[count noun]the class into which a star falls by virtue of its brightness 星等 ■[count noun]a difference of one on a scale of brightness, treated as a unit of measurement 星等差
常用词组 语源
late Middle English (also in the sense 'greatness of character'): from Latin magnitudo, from magnus 'great'