“they cool the air”中,“cool”的意思?急

“they cool the air”中,“cool”的意思?急 They cool the air的cool什么意思 they cool our cities and clean the air The morning air is cool and The air conditioners can cool the air.英语解释句子改成The air conditioners can ( )the air ( ).急 把以下句子变为一般疑问句和反问句：Trees help us in many ways.Trees keep the air cool and clean.They take in harmful gasses from they air.They are major fighters against air pollution.I know trees make our lives more convenient.Many o ☆the sky was blue and the air cool and fresh这是什么语法.为什么不是 the sky was blue and the air is cool and fresh? They make the air fresh翻译 Trees not only cool the air but also clean it.(保持原句意思)Trees cool the air as —— —— and clean it. the air-conditioner is not warm over the bed(用cool来替换) fog may block out sunshine,keeping the air at the ground level cool.(翻译) 这句话选自那篇文章?We cool the air so that you don't have to run your air conditioners Trees cool the air as well as clean it.的同义句,越多越好,求高手回答. they don not air the the room .的被动语态 求初中牛津英语8A chapter6 more practice的翻译 文如下：Dear friends:Trees are our friends.They work hard for us.They cool our cities and clean the air .They also give out oxygen for us to breathe.Trees reduce sound pollution in cities an 英语翻译Close you eyes for a moment and think about the love that makes you sigh.I not only find it in the arms of my loved ones,but in the caress of a sunset,the kiss of the moonlight and the gentle brush of cool air on a hot day.They are the si 英语翻译Close you eyes for a moment and think about the love that makes you sigh.I not only find it in the arms of my loved ones,but in the caress of a sunset,the kiss of the moonlight and the gentle brush of cool air on a hot day.They are the si to make they wany air the clean连词组句