题目内容
/3:/ is made with the tongue around the middle of the mouth. It occurs only in stressed syllables.
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Most of unstressed vowels of function words (words such as the, to, on, can, and so on) are reduced to the schwa /ə/.
Native speakers of English often use schwa vowels in stressed syllables.
What’s the difference of pronouncing between /3:/ and /ə/?/ə/ is made similarly to /3:/, but with less tension.
一般用于受力不大且不常拆卸的场合的连接方法是()
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