Luminescent describes something that gives off a soft shining light without being on fire and without being hot. A luminescent fish, a luminescent sign, luminescent paint on a wall.

Luminescent luminescent這個字 describes something that gives off a soft shining light形容會發出柔和光芒的東西 without being on fire既沒有著火 and without being hot也不是熱的。 A luminescent fish會發冷光的魚, a luminescent sign會發冷光的招牌, luminescent paint on a wall牆上會發冷光的油漆。

The noun is luminescence; this is the adjective, the 'what kind of thing is it?' word.

The noun名詞形 is luminescence是luminescence； this這個字（luminescent） is the adjective是形容詞， the ‘what kind of thing is it?’ word也就是回答「這是哪種東西」的字。

In shops and on packets you will see it next to glow-in-the-dark toys and safety marks. Though actually, everyday English still prefers glowing or glow-in-the-dark; luminescent sounds more careful, more like science or a label. People also stretch fluorescent to cover this, but a fluorescent light in an office is a different, harsher thing — a tube that needs electricity — not the same as a fish that makes its own soft light.

In shops and on packets在店裡和包裝上， you will see it你會看到它 next to glow-in-the-dark toys and safety marks出現在會發光的玩具和安全標誌旁邊。 Though actually,不過其實， everyday English日常英文 still prefers glowing or glow-in-the-dark還是比較常用glowing或glow-in-the-dark； luminescent luminescent這個字 sounds more careful聽起來比較講究， more like science or a label比較像科學用語或標籤上的字。 People大家 also stretch fluorescent to cover this也會把fluorescent這個字拿來用在這種情況， but不過 a fluorescent light in an office辦公室裡的日光燈 is a different, harsher thing是不一樣、比較刺眼的東西 — a tube that needs electricity是需要電力的燈管 — not the same as a fish that makes its own soft light跟一條自己發出柔光的魚是不同的。