assiduous
assiduous[əˈsɪdjʊəs]adjective- showing great care and perseverance
勤奋的;坚持不懈的;一丝不苟的
she was assiduous in pointing out every feature.
她一丝不苟地指出每一个特征。
派生assiduouslyadverbassiduousnessnoun语源- mid 16th cent.: from Latin assiduus, from assidere 'be engaged in doing' (see assess), + -ous
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