喜樂美語
  1. 1每半小時一次的

    If something is half-hourly, it happens every thirty minutes. A half-hourly bus is not a bus ride that lasts thirty minutes — it is a bus that comes about every half-hour. You see this word on : trains, news, checks, bells. You can put it in front of a noun (a half-hourly service) or after a verb (the nurse checked half-hourly). It is a practical, slightly official word. Friends chatting would more often say “every half hour” or “every thirty minutes.”

From the word’s history

From half-hour + -ly.

half-hour 加 -ly。

Wiktionary

組成half-hour + -ly. The -ly here means at that interval: every half-hour.

同家族的字

  • half-hourthe stretch of thirty minutes that this interval is built from
  • hourlythe same -ly pattern: happening every hour

原始詞典資料2 筆記錄

以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

half-hourlyadj

  • 1

    Once every half-hour, every 30 minutes.

    • a half-hourly train service
    • A new half-hourly service between Stratford [Greater London] and Meridian Water was introduced on 9 September by Greater Anglia.

half-hourlyadv

  • 1

    At intervals of a half-hour, every 30 minutes.

    • Take this medicine half-hourly.

摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。