The countryside undulates pleasantly.原野起伏，景色宜人。The road undulates through pleasant scenery.那条道路在宜人的景色中延绵起伏.The price of steel and iron products and materials undulates fiercely on the current market.当今的市场,钢铁产品和原材料的价格上下波动...
解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.普通的陶瓷元件分别是钛酸钡和锆钛酸铅.Common ceramic elements are barium titanate and lead zirconate - titanate.钡剂反流进入回肠末端.There is reflux of barium into the termi...
This workbook contains queries to external data that refresh automatically.该工作簿中含有对自动刷新的外部数据的查询.To share this workbook, it must contain at least one visible worksheet.共享工作簿至少需有一张以上可见工作表.This project mainly to achieve a w...