单词	Lewis acid
释义	Lewis acid noun Lew·​is acid ˈlü-əs-  : a substance that is capable of accepting an unshared pair of electrons from a base to form a covalent bond Word History Etymology Gilbert N. Lewis †1946 American chemist First Known Use 1944, in the meaning defined above
随便看	elapsed elapsed time elapses elapsing elas elasm- elasmo- elasmobranch elasmobranchiies elasmobranchiis elasmobranchs elasmosaur Elasmosaurus elasmothere Elasmotherium elast- elastances elastase elastases elastic elastic afterwork elastic afterworking elastic band elastic bitumen elastic constant

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