明晰的英文：
lucidness
perspicuity

参考例句：

Anti-Alias Crisp
消除锯齿明晰

Good health encourages cleat thinking.
良好的健康状况有助于明晰的思想。

Degree of clarity and distinctness of pronunciation is very important in speech or singing.
发音的清楚和明晰程度在演讲或唱歌中是很重要的。

He spoke with such earnestness and lucidity that he made Tang Yun-shan feel rather small and regret his suspicions
他这一番话，又恳切，又明晰，倒使得唐云山感觉到自己先前的猜度——以为中间有几分奥妙，未免太不光明正大了。

A sharp out line
明晰的轮廓

the clarity of an explanation
解释明晰

"Marked by clarity, conciseness, and briskness"
明晰的、简洁的和活泼的

Mozart's music is characterized by its naivety and clarity.
莫札特的音乐特色是纯朴和明晰。

His prose is everywhere a demonstration of a lucid style.
他的散文处处显示出一种明晰的风格。

The answers must be intelligible, but they do not have to be in complete sentences.
答案必须要清楚明晰，不过不必是完整的句子。

lucidness是什么意思：
n. 清彻;透明;明晰

You have to be lucid and in control.
你必须保持清醒和控制力。

Her poesy is always lucid and compelling.
他的诗素来简洁有力。

His prose is always lucid and compelling.
他的散文素来简洁、有力。

This book provides an exceptionally lucid treatment of classical electrodynamics
这部书对经典电动力学讲解得非常透彻。

It is possible to express with lucidity the most subtle reflections.
即使是最细腻的思想也是可以表达得很清楚的。

perspicuity是什么意思：
n. 明晰,明了,简明

his program has perspicuous interface and extensive application.
该程序界面明了，适用范围广。

The most perspicuous physical characteristic of the porosity of a soil or rock matrix is its continuity
岩土格架的孔隙率的最清晰的物理特性是它的连续性。

He was at pains to insist on the perspicuity of what he wrote(Lionel Trilling)
他努力坚持作品的清楚明晰(赖恩内尔·特里林)