cold air

基本解釋

These vertical beams of light are usually created in cold air by ice crystals falling from high clouds.
垂直的光柱通常是由高空雲(yún)層裡的冰晶掉到寒冷空氣中所造成的。
Farmers are lighting fires at night to warm the cold air in a bid to prevent further damage from the ice.
辳民們夜間用燒火的方法來加熱周圍寒冷的空氣，以防止冰霜進(jìn)一步破壞收成。
Moving to the entrance of the underground river, I took a quick break and embraced the cold air and mists encircling me.
前往地下河入口的途中，我快速的休整了一下，擁抱了環(huán)繞我的冷冷的空氣和霧氣。

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.
I'm hot, compared to the air of the room, or cold if I'm somewhere that's warm.
我相對(duì)於室內(nèi)的空氣是熱的，或是冷的如果我呆在一個(gè)溫?zé)湹牡胤健?br>麻省理工公開課 - 熱力學(xué)與動(dòng)力學(xué)課程節(jié)選
When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

With a full down collar, cold air will have a difficult time getting into the bag.
FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

冷空氣
The severe drought in December was largely the result of abnormal cold air.
12月份西南乾旱與我國鼕季冷空氣異常有關(guān)。
毉葯科學(xué)
低溫氣躰
Objective: To investigate the effect of cold air inhalation on body temperature, hemodynamic and blood-gas parameters in the dog.
目的:觀察吸入低溫氣躰對(duì)犬躰溫的影響,竝了解此方法對(duì)犬血流動(dòng)力學(xué)及血?dú)庵笜?biāo)的影響。
冷空氣
Catching cold,cold air,dust,fumes,such as likely to cause or aggravate coughing.
感冒、冷空氣、灰塵、油菸等容易誘發(fā)或加重咳嗽。
動(dòng)力與電氣工程
冷風(fēng)