luminescence
US /ˌluməˈnɛsəns/
・UK /ˌlu:mɪˈnesns/
A1 初級
n. (u.)不可數名詞冷光；發冷光
影片字幕
螢火蟲的光芒背後是什麼｜裡面有什麼？ (What's Behind The Firefly's Glow | What's Inside?)
05:30
- That luminescence, or "cold light," as it's also called,
那種發光，也就是所謂的 "冷光"。
沙子不只是沙子：如果全球面臨沙子短缺，我們該怎麼辦？ (What if the world runs out of sand? | BBC Ideas)
05:35
- In the Namib Desert, scientists use optical luminescence to reveal the sand's age, calculating the last time it saw sunlight.
在納米布沙漠，科學家利用光學發光技術揭示沙子的年齡，計算出沙子最後一次見到陽光的時間。
