a speech sound that is made by pushing air out through a small space between your teeth and your tongue or lips, or between your tongue and palate (=the inside upper part of your mouth). ‘F', ‘z', and ‘th' are fricatives. 摩擦音(如f,z 和th)
a sound made by stopping air as it passes through your throat. In some varieties of spoken English a glottal stop is often used instead of a ‘t' sound in the middle or at the end of a word. 喉塞(音);声门(闭)塞音
linguisticslabial sounds are ones that you pronounce with your lips closed or close together or with your top teeth touching your bottom lip. ‘p', ‘b' , ‘f', ‘v', and ‘m' are labial sounds唇音的
a sound that you pronounce with your lips closed or close together or with your top teeth touching your bottom lip, for example ‘p', ‘b', ‘f', ‘v', or ‘m' 唇音(如p, b, f, v 或m)
a sound that you make by quickly stopping your breath leaving your mouth and then suddenly letting it go again. The sounds ‘k', ‘p', and ‘t' are plosives. 爆破音
the strongest emphasis in a word of two or more syllables when it is spoken. For example, when you say the word ‘fantastic' the primary stress is on the middle syllable ‘tas'. Primary stress is marked ˈ in this dictionary. 主重音,第一重音
a pronunciation some words have when they are stressed, as opposed to when they are not stressed. For example, the word 'at' is pronounced with the strong form in the sentence 'What are you looking at?'
a group of words that forms a unit in an utterance. All tone groups contain a nucleus where the main stress falls, and may or may not contain other syllables.
linguisticsan unvoiced sound is produced without using your vocal cords. In English, ‘/t', ‘/s/', and ‘/f/' are unvoiced sounds. 清音的(指不用声带发出的音。英语中的/t/,/s/ 和/f/ 是清音)
a pronunciation, usually schwa /ə/, that some words have when they are unstressed, as opposed to when they are stressed. For example, the word 'at' is normally pronounced with the weak form in the sentence 'She's at home.'
the strongest emphasis in a word of two or more syllables when it is spoken. For example, when you say the word ‘fantastic' the primary stress is on the middle syllable ‘tas'. Primary stress is marked ˈ in this dictionary. 主重音,第一重音