英文關鍵字
are
attacked
backswimmer
backswimmers
because
bees
being
biting
black
boatmen
can
drowning
falling
feed
friend
garden
gardeners
german
insects
more
once
patrol
pests
plant
pond
ponds
predators
prey
search
still
sting
stinging
stranded
stripes
surface
than
they
this
trapped
unlike
video
wasp
wasps
water
which
yellow