“dalapon”的英英意思

单词 dalapon 释义 dalapon, n.|dlpn|Also Dalapon.[Prob. f. initial and other letters of di-alpha-propionic (acid): see di-2.]A selective herbicide used against perennial grasses, usually as the water-soluble sodium salt; 2,2-dichloropropionic acid, CH3CCl...