英文關鍵字
rotunda
khabarovsk
prevent
promenade
protective
quay
quayside
red
rescue
rise
river
obstacle
service
shield
situation
special
structure
urban
water
waterfront
watering
wharf
russia
mound
people
machine
amur
avoid
bags
fence
equipment
critical
bund
blue
military
emergency
evening
architecture
creation
embankment
construction
flooding
element
intake
barrier
building
levee
sky
dam