英文關鍵字
animal
aquatic
aquatica
argyroneta
beautiful
bell
bug
bugs
common
diving
environment
float
gerridae
gerris
insect
jesus
lacustris
lake
leg
life
many
natural
nature
outdoor
pond
predator
predatory
reflect
reflection
river
run
running
skater
skaters
skimmer
skipper
slender
spider
strider
striders
surface
tension
thailand
tropical
walk
walking
water
waterstrider
wild
wildlife