詞彙精選：luminous的用法和辨析
一、詳細釋義：
adj.
發光的，明亮的，清楚的
例句：
She was flushed like the dawn, with a kind of luminous rosiness all about her.
她滿臉像朝霞一樣的通紅，渾身上下有一種玫瑰色的光彩。
例句：
The luminous dial on the clock showed five minutes to seven.
那隻鐘的夜光鐘面顯示時間爲6點55分。
二、詞義辨析：
bright,brilliant,glowing,radiant,luminous
這些形容詞均含有“明亮的”之意。bright常用詞，與昏暗相對應，側重形容光線的強度，指一切自身發光明亮或反射光的事物。brilliant指非常亮或亮得引人注目，多含閃耀或反光閃爍之意。glowing指穩定光源發出的明亮持久的光，或燃燒最後階段產生的紅光。radiant側重光線的射擊，也可指像太陽或星星一樣發光的東西。luminous着重指發出持續穩定的亮光；可指在黑暗中的發光物。
三、相關短語：
luminous energy
發光能量，光能
luminous flux
n.[物]光通量(其單位爲流明lumen)
四、參考例句：
There are many luminous road signs along the roads.
沿着路有許多夜光路標。
The luminous dial on the clock showed five minutes to seven.
那隻鐘的夜光鐘面顯示時間爲6點55分。
A light reflective foundation will minimize lines and give your skin a luminous quality.
清淡而帶反射的粉底將淡化細紋，給你的肌膚以明亮的質感。
She was flushed like the dawn, with a kind of luminous rosiness all about her.
她滿臉像朝霞一樣的通紅，渾身上下有一種玫瑰色的光彩。
The heavens were placid, but still luminous with the light at the retreating sun.
天空一片寧靜，夕陽染得天際色彩斑斕。
Whether light comes from a luminous or a non-luminous object, it travels in straight lines.
不管是發光體還是非發光體發出的光都是以直線傳播。
Fireflies are winged beetles and give off a green luminous glow from chemicals in their lower abdomen in a process called bioluminescence,
螢火蟲是有翅膀的昆蟲，會通過一種叫做生物體之發光的化學進程從腹部釋放出一種綠色的奪目光芒。
The sci-fi style snack appears to be nothing more than a normal mint Cornetto however once under UV lighting the sweet treat lights up in luminous colours.
乍看之下，這種科幻風格的小吃似乎僅僅是一直普通的薄荷口味可愛多甜筒，但是，在紫外光的照耀下，這支甜點會發出亮閃閃的光芒。
