Research scientists Allen and Beatrix Gardner began teaching Washoe sign language in 1966.
研究中心科学家艾伦和比阿特丽克斯·加德纳于1969年开始教瓦肖手语.
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The books are renowned for their quality colour illustrations which were all done by Beatrix Potter.
这本书以他高品质的彩色插画闻名,而这些插画,都是由毕翠斯?波特所绘制.
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Gaeton Borgonie of Ghent University and his team found the organisms after sampling deep fracture water from the Beatrix and Driefontein gold mines of South Africa.
