LUC=bright（明亮的）光

elucidate [i'lu:si,deit]
to explain or make clear
vt. 阐明；说明

例句
Please elucidate the reasons for your decision.
请把你作出决定的理由解释清楚。
The scientist elucidated his theory by three simple demonstrations.
这位科学家以三个简单的实例来说明他的理论。

麻省理工公开课 - 固态化学导论课程节选
And, as I reminded you at the end of last day, the only reason I am doing this for you right now is I want to elucidate the principles.
就像我上次课的最后跟你们说过的那样，我现在给你们讲这些,仅仅是我想把原理阐释清楚

lucid['lu:sid]
clearly expressed; easy to understand
able to think clearly, especially during or after a period of illness or confusion:
adj. 明晰的；透明的；易懂的；头脑清楚的

例句
He had great powers of lucid exposition.
他具有清晰的表述能力。

哈佛公开课 - 幸福课课程节选
Toward the end of his life while he was still 100% lucid, it was more difficult for him to be mobile and to go into organizations.
在他生命的最后当他头脑还百分百清醒时，活动和参加组织活动对他来说更加困难了。

lucidity[lu:'sidəti]
n. 明朗；清澈；清醒度；神智清醒

lucent['lu:sənt]
1 : glowing with light : LUMINOUS
2 : marked by clarity or translucence : CLEAR
adj. 透明的，光亮的；美国朗讯科技公司（原AT&T实验室）

lucent technologies 美国朗讯科技公司（财富500强公司之一）

translucent[træns'lu:sənt]
If an object or a substance is translucent, it is almost transparent, allowing some light through it in an attractive way
(written) allowing light to pass through but not transparent
not transparent, but clear enough to allow light to pass through
半透明的

例句
A translucent design was impressed on the paper.
一个半透明的设计被印在纸上。

lucubration [,lu:kju:'breiʃən] luc+u+bration elaboration
laborious or intensive study
Laborious study or meditation.
Writing produced by laborious effort or study, especially pedantic or pretentious writing. Often used in the plural.
（尤指在灯下的）刻苦钻研；煞费苦心的著作 ； [常作复数形态]学究气的作品

趣味单词

lynch[lintʃ] 凌迟
if a crowd of people lynches someone, they kill them, especially by hanging them, without using the usual legal process
n. 私刑；私刑处死；（英）田埂
vt. 处以私刑；以私刑处死

Merrill Lynch 美林证券公司（财富500强公司之一，总部所在地美国，主要经营证券经纪）

例句
At one point he was in danger of being lynched.
他一度险些被人以私刑杀害。

麻省理工公开课 - 媒体、教育、市场课程节选

We are going to take what we've learnt and run the course again at Merrill Lynch.
我们会用到学会的知识,在美林重新开设该课程。