est

est — 形容詞

IPA/ˌiːˌɛstˈiː/
KK[ˈɛst]IPA/ˈɛst/
  • estpositive
  • estercomparative
  • estestsuperlative

1. used in writing before a number, amount, or figure to show that the value has be

1.形容詞B1
釋義

估計的

用於數字前，表示大約計算的

used in writing before a number, amount, or figure to show that the value has been calculated approximately rather than measured exactly

例句

The repairs will cost an est. $15,000 to complete the work.

維修工作估計需要 15000 美元才能完成。

est. + [cost/amount] before a number

Est. time of arrival is 2:30 PM, assuming no traffic delays.

預計抵達時間是下午 2：30，假設路上沒有塞車。

est. + 'time of arrival' (ETA pattern)

常見搭配
  • est. cost
  • est. value
  • est. time
  • est. population
  • est. number
同義詞
  • approx.

    also an abbreviation for 'approximately'; used before numbers, but est. is more common with financial or time figures

反義詞
  • exact

    est. indicates a rough calculation, whereas exact means the precise, verified number

文法句型

est. + [number/amount/quantity]

用法筆記

always written with a full stop (est.) in formal text; spoken as the full word 'estimated'

常見錯誤

The est. cost 15,000 dollars.
The est. cost is 15,000 dollars.
est. modifies the noun 'cost'; the sentence still needs a main verb.
EST 500 people attended the event.
Est. 500 people attended the event.
the abbreviation for 'estimated' uses a lowercase e and a full stop.

2. used in writing before a year to indicate when a company, institution, building,

2.形容詞B1
釋義

成立於

用於年份前，標示創立時間

used in writing before a year to indicate when a company, institution, building, or organisation was first founded or opened

例句

The university library, est. 1921, holds over two million books.

這間大學圖書館成立於 1921 年，收藏了超過兩百萬冊書籍。

est. + year at the end of a noun phrase

This family-run hotel, est. 1875, is one of the oldest in the region.

這家家族經營的旅館創立於 1875 年，是該區最老的旅館之一。

常見搭配
  • est. 1998
  • est. 1875
  • est. 1921
  • est. 1847
同義詞
  • founded

    used in full sentences rather than as an abbreviation; est. is reserved for written labels and signs

反義詞
  • closed

    est. marks the beginning of an institution; closed marks its end

文法句型

est. + [year]

用法筆記

typically placed after the noun it modifies, before the year; commonly seen on company signs, logos, and plaques

常見錯誤

The hospital was est. 1963.
The hospital was established in 1963.
est. is a written abbreviation; in full sentences, use the full word 'established'.

est — 縮寫

IPA/ˌiː es ˈtiː/
KK[ˈɛst]IPA/ˌiː es ˈtiː/

同根字

常見搭配

名詞搭配

副詞搭配

  • est. (before number)
  • EST (after time)

常用片語

  • est. 1998
  • 9 AM EST
  • est. time of arrival

介系詞搭配

  • at + [time] EST
  • by + [time] EST