He shows a flashing light in his hand, as strange sounds shift and alter to each light.
他手里拿着一盏闪光灯，奇怪的声音随着每盏灯的变化而变化。
| 单词 | Sound shift |
| 释义 |
Sound shift
原声例句
跟马修学英语 He shows a flashing light in his hand, as strange sounds shift and alter to each light. 他手里拿着一盏闪光灯，奇怪的声音随着每盏灯的变化而变化。 可汗学院公开课：英语语法 Those are some of the front to back sound shifts it, at, uh, or it, uh, or ite, ow, that you will encounter when you're learning irregular verbs in English. 这些是你在学习英语不规则动词时会遇到的一些从前到后的声音转换 it, at, uh, or it, uh, or ite, ow。
英语百科
Sound change（重定向自Sound shift）
Sound change includes any processes of language change that affect pronunciation (phonetic change) or sound system structures (phonological change). Sound change can consist of the replacement of one speech sound (or, more generally, one phonetic feature) by another, the complete loss of the affected sound, or even the introduction of a new sound in a place where there had been none. Sound changes can be environmentally conditioned, meaning that the change only occurs in a defined sound environment, whereas in other environments the same speech sound is not affected by the change. The term "sound change" refers to diachronic changes, or changes in a language's underlying sound system over time; "alternation", on the other hand, refers to surface changes that happen synchronically and do not change the language's underlying system (for example, the -s in the English plural can be pronounced differently depending on what sound it follows; this is a form of alternation, rather than sound change). However, since "sound change" can refer to the historical introduction of an alternation (such as post-vocalic /k/ in Tuscan, once [k], but now [h]), the label is inherently imprecise and often must be clarified as referring to phonetic change or restructuring. |
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