Ⅰ.请快速写出下列单词的汉语意思
1．graph n. ________________
2．emission n. ________________
3．seal n. ________________
4．ecology n. ________________
5．carbon n. ________________
6．carbon dioxide ________________
7．habitable adj. ________________
8．fossil fuel ________________
9．footprint n. ________________
10．restrict vt. ________________
11．restriction n. ________________
12．basin n. ________________
13．penguin n. ________________
14．moderate adj. ________________
vi.&vt. ________________
