optics

/ˈɒptɪks/ (bre, ipa) · [ˈɑptɪks] /ˈɑːptɪks/ (ame, ipa)

optics — 名詞

1. the area of science concerned with how light travels, what it does to what we se

1.名詞C1
釋義

光學

研究光的物理性質與光學儀器的學科

the area of science concerned with how light travels, what it does to what we see, and how devices like lenses and mirrors work.

例句

Christopher signed up for a course in optics during his second year at university.

Christopher 大二那年選修了一門光學課程。

field of study: a course in optics

Modern optics makes it possible to send light signals through very thin glass fibres.

現代光學讓我們能透過極細的玻璃纖維傳遞光訊號。

subject: optics + singular verb

同義詞
  • photonics

    narrower; focuses on generating and detecting photons in technology

  • light science

    informal cover term; less common in academic writing

文法句型

optics + is/deals with + topic

用法筆記

Always takes a singular verb in this sense (optics IS a branch of physics), even though the word looks plural. Distinguish from sense 2, which is about public perception, not science.

常見錯誤

Optics are a hard subject to study.
Optics is a hard subject to study.
💡although the word ends in -s, it takes a singular verb when it names the field of science.

2. the way an action or decision appears to the public, especially how news reports

2.名詞C1
釋義

外界觀感

某行為或決策給外界帶來的印象

the way an action or decision appears to the public, especially how news reports and political opponents may make it look bad, even if the action itself is reasonable.

例句

The mayor cancelled the trip because the optics of flying abroad during a strike were bad.

市長取消了出訪,因為罷工期間出國的觀感很差。

the optics of [action] are/were bad

Heloísa worried about the optics of having dinner with the senator she was reporting on.

Heloísa 擔心和自己正在報導的參議員共進晚餐會帶來不好的觀感。

the optics of + gerund phrase

同義詞
  • public perception

    more formal; same idea without the PR/political flavour

  • appearance

    broader; can describe physical look as well as public impression

  • image

    longer-term reputation; optics is more about a single moment or decision

文法句型

the optics of + noun phrase

the optics + are/look + adjective

用法筆記

Always plural in this sense (the optics ARE bad), and almost always used with the definite article — 'the optics of [doing X]'. Common in news writing about politics, business, and PR. Distinguish from sense 1, where the word names a branch of science and takes a singular verb.

常見錯誤

The optic of his speech was bad.
The optics of his speech were bad.
💡this meaning has no singular form and always takes a plural verb.
The optics show that we will lose money.
The figures show that we will lose money.
💡'optics' is about how something LOOKS to outsiders, not the underlying facts or numbers.