【luc】
=lust
“light” “光，光亮”
|lusty=lust+y a.精力充沛的，健壮的
eg: He still remember his lusty singing in the open park.
|noctilucent=noct+luc+ent a.夜间发光的
noct “夜晚”
-ent “···的”
eg: Noctilucent things lead them forward.
|lustrous=lust+ous a.有光泽的，光辉的
eg：Healthy women have lustrous, shiny hair.
【词汇扩展】
lucent a.光亮的
lucid a.透明的；易懂的
elucidate v.说明
illustrate v.阐述；图解
（以上均来自《200个一定要学的英文词根词缀》一书）
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