他们生活在富饶的土地上.They lived on the produc - tive land.对自然界的深刻研究是数学最富饶的源泉.The profound study of nature is the most fertile source of mathematical discoveries.这是把一门富饶的语言放在了一片贫瘠的国土.A language of plenty for a land of scarcity....
A drug , C 17 H 25 N, used in veterinary medicine as an anesthetic and illegally as a hallucinogen; PCP.苯环己哌啶一种药, C17H25N,在兽医中用作麻醉剂,非法使用时可作为幻觉剂; PCP( 这种药缩写形式)...