听力----了解海牛。
G9u15A2a-grammar
We’re trying to save the manatees!
2a.Listen and match the words with definitions
a.the place where something lives
b. there aren’t very many of them
c. underwater plants and vegetation
d. a place where trees
grow in water
1.endangered 2.mangrove swamps
3.habitat 4.aquatic feed