magnitude
音标：
美音：/ˈmæɡnɪtuːd/，英音：/ˈmæɡnɪtjuːd/
听听基本释意：
外刊例句：
Yet, as with any sale of such magnitude and complexity, until offers start to come in, no-one can know how long it will take to resolve.
然而，与任何如此规模和复杂的销售一样，在报价开始出现之前，没有人知道需要多长时间才能解决。
—BBC
It followed a series of warnings that an eruption was possible after a spate of recent earthquakes in the region, including over a dozen tremors measured at more than 2.5 magnitude on Sunday.
此前，该地区最近发生了一连串地震，包括周日发生的十几次震级超过 2.5 级的地震，随后发出了一系列警告，称该地区可能会喷发。
—BBC
“It’s kind of a perfect storm, in terms of damage relative to the magnitude.”
“就相对于规模的破坏而言，这是一场完美的风暴。”
—Washington Post
基本释意：
noun
the property of relative size or extent (whether large or small)
n. 巨大，重要性；震级；规模，大小；数量，数值；（恒星的）亮度，星等
同义词：
order of magnitude
短释义：
Earthquakes have great magnitude in that they are powerful. Their power is rated by their level of magnitude, or how much energy they release relative to other earthquakes.
地震的震级很大，因为它们很强大。它们的威力是根据它们的震级水平，或者它们释放的相对于其他地震的能量多少来评定的。
长释义：
In math, magnitude compares numbers by powers of 10. If your weekly allowance was $10, but your brother’s was $100, his allowance would be one order of magnitude higher than yours. If your sister’s was $10,000, hers would be three orders of magnitude higher. A difference of that magnitude is just not fair!
在数学中，数量级比较数字的 10 次方。如果您每周的津贴是 10 美元，而您兄弟的每周津贴是 100 美元，那么他的津贴将比您高一个数量级。如果你姐姐的是 10,000 美元，她的会高出三个数量级。如此巨大的差异是不公平的！
文学例句：
“Whatever. Lucille Ball talking to me from the TV is weirder by several orders of magnitude than anything that’s happened to me so far,” said Shadow.
“任何。露西尔·鲍尔在电视上与我交谈比迄今为止发生在我身上的任何事情都要奇怪几个数量级，”影子说。
—American Gods by Neil Gaiman
With so many marginally qualified climbers flocking to Everest these days, a lot of people believe that a tragedy of this magnitude was overdue.
近来有这么多合格的登山者涌向珠穆朗玛峰，许多人认为这种规模的悲剧早该发生。
—Into Thin Air by Jon Krakauer
Nonetheless, from Ishmael’s perspective this inclement weather should not be allowed to overshadow the trial of Kabuo Miyamoto, which was an affair of a different sort entirely and of a greater magnitude.
尽管如此，从伊斯梅尔的角度来看，这种恶劣的天气不应该让宫本天道的审判蒙上阴影，这是一件完全不同的事情，而且规模更大。
—Snow Falling on Cedars: A Novel by David Guterson
词源：
magnitude (n.)c. 1400, "pre-eminence, magnificence;" early 15c., "greatness of size or extent," from Latin magnitudo "greatness, bulk, size," from magnus "great" (from suffixed form of PIE root meg- "great") + -tudo, suffix forming abstract nouns from adjectives and participles (see -tude).Meaning "size, extent," whether great or small is from early 15c. Of stars, "brightness or brilliancy expressed as a number" (now on a logarithmic scale) from 1640s, translating Ptolemy’s Greek megethos.Related entries & more
下面是词源的翻译（机器翻译比较难翻，参考着看）
震级（n.）c。 1400，“卓越，辉煌；” 15 世纪初，“大小或范围的伟大”来自拉丁语 magnitudo“伟大、体积、大小”，来自 magnus“伟大”（来自 PIE 词根 meg-“伟大”的后缀形式）+ -tudo，构成抽象名词的后缀源自形容词和分词（参见 -tude）。意思是“大小、范围”，无论是大还是小来自 15 世纪初。关于星星，从 1640 年代开始，“以数字表示的亮度或亮度”（现在以对数刻度表示），翻译托勒密的希腊语 megethos。相关条目及更多
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