新必修五
Unit 5
halfway
dramatically
heritage
inhabitant
penguin
habitat
rat
subsequently
appetite
multiply
vegetation
erosion
parakeet
chaos
conservation
virus
decrease
trap
departure
immunity
explode
collapse
substantial
incident
intervention
owe
pest
ecology
dissolve
nutrient
worm
comparison
visual
session
herbal
mysterious
status
criterion
prosper
rare
biological
apparently
vast
altitude
variation
thrive
fossil
floral
vertebrate
beehive
endangered
elsewhere
invasion
coexist
secure
greeting
on behalf of