assiduityn.

英 ,æsɪ'djuːɪtɪ | 美 ,æsə'djʊəti

中文n. 勤勉；刻苦；殷勤

词根词源

assiduity (n.)early 15c., from Latin assiduatem "continual presence," noun of quality from past participle stem of assiduus (see assiduous).

关键词

assiduity