音标：[eə(r) sæk] ；

气囊气孔

词型变化：名词复数形式 : air sacs

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。

【近义词】

alveolus肺泡
air cell气囊

What people Dont Know about Air

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Walking in the Air 空中漫步 We're walking in the air 我们在空中漫步， We're floating in the 1)moonlit sky 在月光点亮的天空中飘浮。 The 2)people far below are sleeping 在我们飞

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79. In the air

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英文歌曲：Burhan G - Sacrafice

What I sacrificed Being in your life I'm walking blind One step behind Torn apart I'm all worn out Afraid to play The game portrayed Hard to maintain Hard to sustain I tried so hard I gave my soul But in return, left me all alone What I sacrificed Be

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英语单词荟萃

Australia's Qantas back in the air

SYDNEY, Oct. 31 (Xinhua) -- Australia's airline Qantas planes will be back in the air some time on Monday afternoon after Fair Work Australia (FWA) ruled to terminate Qantas industrial action, local media reported on Monday. Tens of thousands of pass

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英语新闻

英文歌曲:I Need Air

I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat

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好听的英文歌曲

In the air

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

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abrasive ground

airburst ranging

anodinia

apparatus protective device

Balo's disease

bellmawr

benzoyl acetone

carbon pile type automatic voltage regulator

carbonized cathode

cascade tank

cellular engineering