单词	diquat
释义	diquat noun di·​quat ˈdī-ˌkwät  : a powerful herbicide and plant desiccant C12H12Br2N2 used especially to control aquatic weeds and to desiccate aerial plant parts (as of potatoes) before harvesting Example Sentences Recent Examples on the Web The strategy the group would use would include releasing two herbicides — diquat and fluoridone — into the lakes and maintaining high enough concentrations for long enough to kill the elodea. Author: Elizabeth Earl, Anchorage Daily News, 20 June 2019 After the use of the chemical diquat, the duckweed turns brown and sinks to the bottom, which can nourish unkilled weeds, effectively making matters worse. Hector Argüello Canals, National Geographic, 17 June 2016 Duckweed and watermeal are just two types of weeds that most pond owners seek to control with chemicals such as diquat. Hector Argüello Canals, National Geographic, 17 June 2016 Word History Etymology di- + quaternary First Known Use 1960, in the meaning defined above
随便看	graining board grainings grainland grainless grains grains of paradise grainsick grainsickness grainy graip graips graisse graisse disease graith grakles Grallae Grallatores grallatorial grallina gralline gralloch gralloched gralloching grallochs gram

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