The books are renowned for their quality colour illustrations which were all done by Beatrix Potter.
這本書(shū)以他高品質(zhì)的彩色插畫(huà)聞名,而這些插畫(huà),都是由畢翠斯?波特所繪制.
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Research scientists Allen and Beatrix Gardner began teaching Washoe sign language in 1966.
研究中心科學(xué)家艾倫和比阿特麗克斯·加德納于1969年開(kāi)始教瓦肖手語(yǔ).
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