perspicuous
/pəˈspɪkjʊəs/adjective
1- formal (of an account or representation) clearly expressed and easily understood; lucid〈正式〉（叙述, 陈述）表达清楚的, 易懂的; 明白的：
it provides simpler and more perspicuous explanations than its rivals.
它提供的解释比对手们的更简单明了。
1.1
- (of a person) able to give an account or express an idea clearly（人）能清楚表达的。
派生词
perspicuity
nounperspicuously
adverb词源
late 15th cent. （in the sense 'transparent'）： from Latin perspicuus 'transparent clear' （from the verb perspicere 'look at closely'） + -OUS.