Didyoueverwonderwhat的精選

問題詳情：  Didyoueverwonderwhatplantseat?Mostly,theytakethingsthathumandon’twant,likecarbondioxide(二氧化碳)canturnthemintothingsthatwewant,likeoxygen(氧氣). 36  Weburnplantsforfuel.Weevenuseplan...