登機入口

boarding gate

to scale (a height) / to ascend / to mount / to publish or record / to enter (e.g. in a register) / to press down with the foot / to step or tread on / to put on (shoes or trousers) (dialect) / to be gathered and taken to the threshing ground (old)

to board a plane

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]

entrance / to import

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls