是被同化了。m、b都是唇音,发音部位相近,因此在后面没有母音带出新音节的时候,这俩就容易混成一坨。

mb后面还有母音或响音的话,b是会发音的。比如imbue、imbalance,等等


e首先,题主所问应该是 为什么词尾m后的b不发音。例如comb、limb等。据说是因为b的出现没有原因( )。anyway,总之这样b在m后做词尾就不发音了。当然,英语作为进化了这么多年的语言,也难说是因为外来语(如法语)的影响。(初接触法语的时候最心烦的就是词尾辅音不发音,所以个人猜测这其中有关。)不过说到外来语,bomb这个词就比较特殊,毕竟也是个外来语,法语表示就钦定你要发音了,还是要得罪mb组合一下。--------------------------------------

今天起床查了一下,以下内容引用自Englishstackexhange.com:

「The words thumb, numb, and dumb have unetymological mb in spelling, though they do not end in l. Why do they? In principle, the story begins in late Middle English. At that time, consonantal groups were often simplified. Solemnand column are now pronounced without n. In the speech of some people kiln is homophonous with kill, g is always mute in diaphragm,phlegm, and so forth. Because of the simplification, lamb was fleeced of its historical final b; today b is retained in spelling but not in pronunciation. The same happened to jamb, plumb, and tomb (borrowed words), along with womb (Old Engl. wamba 「belly」; compare Wamba, the name of Cedric』s 「fool」 in Ivanhoe) and climb (Old Engl. climban).

As long as the simplification of consonantal groups remained an active force, literate people felt uncertain when to write m, as opposed to mb, and began to add b to m gratuitously, a mistake (here, reverse spelling) called hypercorrection. This accounts for the modern forms limb and crumb.」

简单来说,现在这些词是Middle English的简化版,但是对于b,只简化了读音没完全简化拼写。

同样的还有mn只发m,gm只发,具体例子见我的引用。


是的,b在以-bt,-mb结尾的单词中不发音,例如debt/det/,doubt/da?t/,lamb/l?m/。


英文中有很多silent letters,不发音字母。虽然不发音,但是对单词意思影响巨大~所以它的存在还是有意义的。其实古英语几乎90%都是看到字母就直接读,几乎没有silent letters,是因为后期随著很多其他语言单词的并入,需要把这些舶来词并入英语语系,于是有了各种发音的调整,慢慢演变出了一些不发音的字母组合。

关于silent letters,有几张图片,供你参考~列出了基本最常见的一些不发音字母搭配,多读找点感觉~

遗憾的是,发布这资料个的作者并没有标出原网站和出处~被截掉了。

有知道出处的小伙伴可以说一下哈~

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另外,要不要关注一下我的公众号:卡片山谷英语

每周都有英语卡片,纯原创哟~你还可以来给我留言感兴趣的话题,我们都会做哦~

卡片存在手机,上厕所刷一刷,海外旅游救急刷一刷,碎片时间刷一刷~

(* ̄︶ ̄)

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不懂,但是希望牛人回答的时候顺便考虑一下这个例子:

Dr. Hobart: Spell mboscodictiasaur.

Ross: I havent even heard of a mboscodictiasaur. Dr. Hobart: I know, I just made it up. Spell it. Ross: Okay, B-O-S... Dr. Hobart: No, it starts with a silent "M."——《Friends》Season 10, episode 6.
起初是都发音的,因为鼻音/m/后跟无母音的爆破音/b/,/b/鼻音化后为/m/就变成了/mm/,最后弱化为/m/。
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