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air sac的英文翻译是什么意思,词典释义与在线翻译:
英英释义
Noun:
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a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
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any of the thin-walled extensions of the tracheae of insects
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any of the membranous air-filled extensions of the lungs of birds
air sac的用法和样例:
例句
- Air bags are a standard feature in most new cars.
气囊是绝大多数新车具有的基本特点。
- "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是个比喻的说法,而"甜咖啡"则不是。
- Oxygen and carbon dioxide from the air enter through the stoma.
氧和二氧化碳从空气中进入气孔。
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