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....
这座14世纪的大教堂变成了一堆瓦砾。The fourteenth century cathedral was reduced to a mass of rubble.数字音频广播是21世纪的无线电广播系统。DAB is the radio system of the 21st Century.这家商店的内部装修仍然保留着19世纪的风格。The interior of the shop still retains a nineteenth...