舌前部向硬颚抬起的程度比其他的前元音都低。
The mandible is lowered more than for any other front vowel.
颌骨，牙龈，嘴唇和软、硬颚不断的在生活中补充它们自己。
The jawbone, gums, lips, and soft and hard palates are constantly replenishing themselves throughout life.
颌骨，牙龈，嘴唇和软、硬颚不断的在生活中补充它们自己。
The jawbone, gums, lips, and soft and hard palates are constantly replenishing themselves throughout life.
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