"the cold crystalline water of melted snow" "crystal clear skies" "could see the sand on the bottom of the limpid pool" "lucid air" "a pellucid brook" "transparent crystal"
"writes in a limpid style" "lucid directions" "a luculent oration" "pellucid prose" "a crystal clear explanation" "a perspicuous argument"
The pellucid water, though agitated..did not turn cloudy.
The late afternoon sky was growing pale..and taking on a pellucid apricot tint.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)