题目内容
Voicing is a feature of all consonants and some vowels.
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The orthographic representation of speech sounds with diacritics is normally not used in dictionaries and teaching textbooks.
Although the [l] sound is represented by the same symbol in the two combinations of [li:f] and [fi:l], it is actually pronounced differently.
【单选题】下列属于单糖的是
【单选题】⻨芽糖是由2分⼦葡萄糖以下列哪个键相连
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