Dr. brooks noted this week that large quantities of ocher had been found elsewhere in africa even before the 1 00000 - year-old workshop .
布鲁克斯博士在这周指出,在发现10万年之久的作坊之前,科学家们已经在非洲其它地方发现了大量赭石。
To preserve and develop these endangering languages , the author thinks that these ethnics ma have good education of national common spoken language an as to create an environment of equal intercourse with ocher ethnics .