embarkation
US /ˌem.bɑːrˈkeɪ.ʃən/
UK /ˌem.bɑːrˈkeɪ.ʃən/

1.
登機, 上船
the act of boarding a ship, aircraft, or other vehicle for a journey
:
•
Passengers should proceed to the embarkation gate.
乘客應前往登機口。
•
The embarkation process was smooth and efficient.
登機過程順利高效。