中国大学MOOC: Velar sounds are made with the back of the tongue raised to touch the velum.
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- 中国大学MOOC: Both ‘clear’ [l] and ‘dark’ [ɫ] are formed with the tip of the tongue touching the teeth ridge. The only difference is that in the articulation of the ‘clear’ [l], the back part of the tongue is raised towards the hard palate. In the articulation of the ‘dark’ [ɫ], the front part of the tongue is raised towards the soft palate and slightly velarised, with a concave upper surface.
- Plosives are sounds produced with the air ______ _______ at some point in the mouth by the lips or _______ or tongue back and then released with a slight _______.
- Question: Which of the following sounds is velar ?
- 中国大学MOOC: Pure vowels can be classified into three categories: front vowels, central vowels and back vowels. The two vowels/ɜː/ and /ə/ are classified into ______ vowels because they are made with the middle part of the tongue being raised.
- 中国大学MOOC: _________________ happens when a firm agrees to purchase a certain amount of materials back from a country to which it made a sale.
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中国大学MOOC: Which of the following is in the teaching video of tongue twister?
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中国大学MOOC: Which of the following is not in the teaching video of tongue twister?
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中国大学MOOC: The union demanded the wages be raised by 20%.
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中国大学MOOC: Which of the following sounds is a palatal?
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中国大学MOOC: Language consists of the systems of sounds and grammar.