英文關鍵字
bat
bats
biophysics
cave
caving
colony
dark
disgust
dungeon
fear
grasping
group
hang
hanging
hibernate
hibernation
horror
infection
mammals
mouse
nature
radar
sleep
sleeping
sonar
speleology
spelunking
subterranean
ultrasound
vampire
wildlife
wings
wintering
witch
witchcraft