rectitude
rectitudenoun- [mass noun](formal)morally correct behaviour or thinking; righteousness
(正式)端正的品行;正直,正大光明
Mattie is a model of rectitude.
马蒂是品行端正的典范。
语源- late Middle English (denoting straightness): from Old French, from late Latin rectitudo, from Latin rectus 'right, straight'
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