英文關鍵字
aquatic
banks
bed
branches
brook
channel
cover
creek
current
forest
gravel
habitat
leaves
limbs
liquid
rapids
rippling
river
rocks
shallow
shoreline
spring
steady
stones
stream
trees
twigs
water
woods
英文關鍵字
aquatic
banks
bed
branches
brook
channel
cover
creek
current
forest
gravel
habitat
leaves
limbs
liquid
rapids
rippling
river
rocks
shallow
shoreline
spring
steady
stones
stream
trees
twigs
water
woods