perspicuityn.
pɝspɪ'kjʊəti
中文n. （语言、文章、表达等的）明晰；简明
词根词源
perspicuity (n.)late 15c., of things; 1540s, of expressions, from Latin perspicuitas "transparency, clearness," from perspicuus, from perspicere "look through, look closely at" (see perspective).
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