光gwong1管gun2

English

1. (noun) a tube light; a fluorescent tube
2. fluorescent light; strip lightunreviewed?

粵語 — Cantonese

1. 長條形螢光燈嘅俗稱，原理係以電力激發玻璃管內氣體產生紫外線，內壁嘅磷質吸收紫外線後產生可見光（量詞：支）unreviewed?

Examples

• unreviewed?

  字都唔識寫，仲學人燒光管？

  You don't even know how to write, yet you want to learn how to make neon signs?