These chemicals modulate the effect of potassium.这些化学物质可以调节钾的功效。The main methods are: glass - electrodes method, potassium dichromate method and statistical method.采用的主要方法有: 玻璃电极法, 重铬酸钾法,统计学方法等.No potassium did we find i...
食盐由40%的钠和60%的氯化物构成。Common salt is made up of 40% sodium and 60% chloride.普通食盐是钠和氯的化合物。Common salt is a compound of sodium and chlorine.食盐是钠和氯的复合物.Common salt is a compound of sodium and chlorine....
She had pale thin yellow hair she pulled back into a bun.她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。She was sitting at the kitchen table eating a currant bun.她正坐在餐桌旁，吃着葡萄干圆面包。She wore her hair in a bun.她盘了个发髻。...