你常出汗或是脸上常发烫吗？Do you sweat a lot or flush a lot?还有一些不太常有的设施，包括图书馆和健身房。Other amenities, less commonly available, include a library and exercise room.他们过去常买10公斤重的整块牛肉。They used to buy ten kilos of beef in one lump....
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.铁和氯的有效量能影响散射.Significant amounts of chlorine and iron may affect the scattering....