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单词
preoral cavity
释义
preoral cavity
网络
口前腔；空腔
网络释义
1.
口前腔
上唇、上颚、下颚与下唇所围成的空腔叫
口前腔
(
preoral cavity
)，真正的口位于唇基与舌之间。舌将口前腔分为两部分，前面的 …
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2.
空腔
但有由上唇 大颚 小颚 下唇构成的一个
空腔
(
preoral cavity
)
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例句
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focus of
focus of action
focus of action awareness
focus (of an earthquake)
focus of a parabola
focus of attention
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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/9/28 9:16:26