1. manatte
2. furry
3. enormous
4. playful
5. aggressive
6. gray
7. spotted
8. kangaroo
9. chimpanzee
10.cheetah
11.mangrove
12.swamp
13.habitat
14.aquatic
15.feed
16.underwater
17.vegetation
18.weigh
19.pound
20.discover
21.polluted
22.present progressive
23.present simple
24.infinitive
25.passive voice
26.present perfect
27.suitable
28.tiny
29.cage
30.disgusted
31.educate
32.care for
33.urge
34.expression
35.recycle
36.built
37.stuff
38.pull
39.glue
40.roof
41.discard
42.tile
43.fence
44.can
45.recently
46.planet
47.society
48.president
49.inspiration
50.spare
51.model
52.Winterbourne 温特伯恩