study tour; guided visit; field trip
to come and go; to go back and forth
underground space; subterranean space; subterranea
noise barrier; soundproof wall; soundwall; sound barrier
counter for leaves, pieces of paper, etc.; (arch.) counter for boats
mutual use of company facilities (e.g. rail tracks for through service, airport facilities, code-sharing, etc.)
tessellated; grid-shaped; grid-like
south entrance; south exit
north entrance; north exit
ticket window; box office; ticket
PC; personal computer; prestressed concrete; precast concrete; polycarbonate; political correctness; patrol car
retail store; retail shop
education; training; discipline
ticket machine; ticket-vending machine
ticket barrier; ticket gate; wicket
grandmother; old woman; female senior citizen
(train) station attendant; station employee; station staff
automatic turnstile (ticket gate)
fall; decline; string apron; ornamental cords hanging from the front of a sumo wrestler's belt; food offering to the gods; leftovers
by a hair's breadth; in the nick of time; touch and go; close call; critical moment
inner tracks or lanes; going around an inner circle; indoors
carrying (on one's shoulder); bearing; shouldering; bucket carried on either end of a pole
to repeat; to be frequent
platform door (railway); platform screen door