Dr. Williams instructs us in botany.威廉博士教我们植物学.The first of these in the field of botany were the herbals.在植物学领域,这些最早的著作是本草书.Medicine began to turn away from botany in the scientific revolution of the 17th and 18th centu...
All renascent oxygen is consumed for oxidizing metal anode to form metal oxide film.当形成足够厚的氧化膜后,阳极的氧化速度减慢,阳极表面才析出氧气.Positioning plate is usually used in fixing the place of anode and cathode plate in electrobath.定位板主要是用来...
France ceded Alsace - Lorraine to Germany in 1871.1871年法国把阿尔萨斯 ― 洛林地区割让给了德国.Peace was signed at Frankfort surrendering the provinces of Alsace and Lorraine to the Germans.和平协议在法兰克福签署,阿尔萨斯和洛林.拱手让给德国.The unforgivable, real...