单词	nitrone
释义	nitrone noun ni·​trone ˈnī‧ˌtrōn plural -s : any of a class of compounds that contain the grouping >C=N(O)− consisting of carbon and oxygen attached to nitrogen and that are made from alkyl or aryl derivatives of hydroxylamine by interaction with aldehydes or ketones or from nitroso compounds and derivatives of diazomethane phenyl-N -methyl-nitrone C6H5CH=N(O)−CH3 oxime-nitrone tautomerism Word History Etymology nitr- + -one
随便看	have one's guard up have one's hands full have one's hands in the till have one's head examined have one's head on right have one's head on straight have one's head screwed on right have one's head screwed on straight have one's heart set on have one's heart set on (something) have one's heart set on something have one's hopes fixed on have one's hopes/sights fixed on have one's knees cut out from under have one's knees cut out from under one have one's legs cut out from under have one's legs cut out from under one have one's legs/feet/knees cut out from under (one) have one's moments have one's nose in have one's nose in the air have one's nose in the trough have one's origin have one's own way have one's sights fixed on

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