单词 ethenoid 释义 ethenoid, a. Chem.|nd|[f. ethene + -oid.]Resembling ethylene in structure or properties; ethylenic.1907Jrnl. Chem. Soc. XCII. i. 307 The interaction of ethenoid compounds and bromine in solution is of the second order.1932Canad. Jrnl....