一
☑ 重要的 adj.
important=vital=essential=crucial
☑原因 n.
reason=cause=factor=origins
=root=stimulus=impetus
☑ 保护 v.
protect=guard=safeguard
=shield=conservation
☑ 媒体 n.
newspapers, television=media
二
☑ 居住地 n.
where to live=habitat
☑ 变暖 n.
get warmer=global warming
☑ 有助于 v.
contribute to=play a part
☑ 幸存，活下来 v.
survive=continuing existence
