艙外活動 [舱－－动]

Jyutping cong1 ngoi6 wut6 dung6
Pinyin cāng wài huó dòng

Definitions (CC-CEDICT)
  1. extravehicular activity (outside space vehicle)
  2. EVA
Definitions (Wiktionary)
  1. noun
    extravehicular activity