有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Organic food is unadulterated food produced without artificial chemicals or pesticides.他们担心自来水是否纯净。They worried about the purity of tap water.纯净的空气使天空变得更蓝.A clear atmosphere intensifies the blue o...
I can't forgive Lewis for robbing me of an Olympic gold.我不能原谅刘易斯夺走了我一块奥运会金牌。Karen Matthews co-authored the study with Lewis Kullers.卡伦·马修斯与刘易斯·库勒斯合作完成了这个研究课题。Sinclair Lewis was stormy petrel in his life as in his bo...