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A labial is a speech sound you make with one or both lips. Say p, b, or m: both lips close — those are the clear classroom examples, often called .
A labial唇音 is a speech sound you make with one or both lips是你用一片或兩片嘴唇發出的語音。 Say p, b, or m你說 p、b 或 m 的時候: both lips close兩片嘴唇會閉合 — those are the clear classroom examples——這些是課堂上最清楚的例子, often called bilabial常被稱為雙唇音。
Say f or v: the top teeth touch the bottom lip. Those still use a lip, so many teachers still file them under labial; though actually, careful books give them their own name, labiodental, because the teeth are doing half the work.
Say f or v你說 f 或 v 的時候: the top teeth touch the bottom lip上排牙齒會碰到下嘴唇。 Those still use a lip這些音仍然用到嘴唇, so many teachers still file them under labial所以很多老師還是把它們歸在 labial 底下; though actually不過, careful books give them their own name講究的書會給它們自己的名稱, labiodental叫做唇齒音, because the teeth are doing half the work因為牙齒也出了一半的力。
You will meet labial as a noun (“/p/ is a labial”) and as an adjective (“labial ”). In medical talk it can also mean “of the lips” more generally, but the sense you are learning here is the sound.
You will meet labial as a noun你會看到 labial 當名詞用 ("/p/ is a labial")(「/p/ is a labial」) and as an adjective也會看到當形容詞用 ("labial consonants")(「labial consonants」)。 In medical talk在醫學用語裡, it can also mean "of the lips" more generally它也可以泛指「嘴唇的」, but the sense you are learning here is the sound但你在這裡學的是語音這個意思。
It is a teacher's and linguist's word, not everyday chat. It has nothing to do with a laboratory, even though the first letters look the same.
It is a teacher's and linguist's word這是老師和語言學家會用的字, not everyday chat不是日常聊天會用的字。 It has nothing to do with a laboratory它跟 laboratory(實驗室)一點關係都沒有, even though the first letters look the same儘管開頭幾個字母看起來很像。
原始詞典資料7 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
labialadj/ˈleɪ.bi.əl/
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anatomybiologymedicineOf or pertaining to the lips or labia.
- The wound that does not kill Christ is the magical labial wound; it is the seal of the resurrection and an expression of the myth of eternal recurrence.
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human-scienceslinguisticsphoneticsArticulated by the lips, as the consonants b, m and w.
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dentistrymedicinesciencesOn the side facing the lips. See mesial.
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entertainmentlifestylemusicFurnished with lips.
- a labial organ pipe
labialnoun/ˈleɪ.bi.əl/
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human-scienceslinguisticsphoneticsA consonant articulated by the lips.
- The motions of the Tongue, Lips, Throat, Palate, & c. which go to the making of the ſeveral Alphabetical Letters are worthy inquiry, and pertinent to the preſent Inquiſition of Sounds: But becauſe they are ſubtil and long to deſcribe, we will refer them over, and place them amongſt the Experiments of Speech. The Hebrews have been diligent in it, and have aſſigned which Letters are Labial, which Dental, which Guttural, & c
- You have but the same four letters to describe the salute which you perform on your grandmother’s forehead, and that which you bestow on the sacred cheek of your mistress; but the same four letters, and not one of them a labial.
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entertainmentlifestylemusicAn organ pipe having a lip that influences its sound.
- All organ pipes are divided into two general classes, labial and lingual pipes. The main difference between the two classes is the manner by which the vibrations producing the sound are caused. In labial pipes the column of air entering the pipe under pressure is set in vibration by a fixed obstruction at the mount of the pipe. […] [T]he obstruction at the mouth […] causes the column of air to vibrate. In the lingual or reed pipe, the vibrations are caused by the air passing through a metal reed, which causes the tongue of the reed to vibrate, thereby setting up sympathetic vibrations in the column of air in the pipe.
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biologynatural-scienceszoologyAny of the scales bordering the mouth opening of a reptile.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。