eva

eva — 名詞

IPA/ˌiː.viːˈeɪ/
KK[ˈevə]IPA/ˌiː.viːˈeɪ/
  • evasingular
  • evasplural

1. a period when astronauts leave a spacecraft or space station to work outside it

1.名詞C1
釋義

艙外活動

太空人離艙執行任務

a period when astronauts leave a spacecraft or space station to work outside it in space.

例句

Mission control delayed the EVA after a small leak appeared near the hatch.

艙門附近出現小漏氣後,任務控制中心延後了這次艙外活動。

delay the EVA before an outside repair

Naoko checked her gloves twice before the EVA to repair the broken antenna.

Naoko 在修理壞掉的天線前,為這次艙外活動把手套檢查了兩遍。

before the EVA + repair task

同義詞
  • spacewalk

    the everyday term used in news reports and general conversation

  • extravehicular activity

    the full formal term used in mission planning and technical writing

文法句型

an EVA

during the EVA

conduct an EVA

用法筆記

This sense refers to the actual work period outside the spacecraft. In general news, the more familiar everyday synonym is often 'spacewalk'.

常見錯誤

The crew scheduled a EVA for Friday.
The crew scheduled an EVA for Friday.
💡The abbreviation begins with a vowel sound, so it takes 'an'.
The astronauts went on an EVA just to enjoy the view.
The astronauts carried out an EVA to finish a repair.
💡This word usually suggests a planned task outside the spacecraft.

eva — 縮寫

IPA/ˈiːvə/
KK[ˈevə]IPA/ˈeɪvə/