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肥皂是一种很平常的家庭用品,却又是一项很重大的化学发明。然而,最早的肥皂是怎么诞生的呢?肥皂的悠久历史肥皂的发明源于一位厨师的失误关于肥皂的发明还有一个传说。在公元前7世
Soap is a very common household product, but it is a very significant chemical invention. However, how was the earliest soap born? The long history of soap The invention of soap stems from the failure of a cook. There is another legend about the invention of soap. In the seventh Century BC