什麼時候開始登機？

What time does boarding begin?

Source: Tatoeba

Sentence Composition

1 什麼時候 shénmeshíhou when?; at what time?
2 開始 kāishǐ
  1. to begin
  2. beginning
  3. to start
  4. initial

classifier: 個
3 登機 dēngjī to board a plane