我们应该在国家和地方层面的政治生活中扮演积极主动的角色。
We should play an active role in politics, both at the national and local level.
这种鱼生活在南美洲的淡水溪流中，它们能从很远的地方闻到血腥味，并迅速发起攻击。
This fish lives in the freshwater streams of South America, and they can smell the blood from far away and launch attacks swiftly.
在互利共生的约束中，小丑鱼一生与宿主海葵生活在一起，很少游出超过它们几米的地方。
Bound in an alliance of mutual benefit, clownfish spend their entire lives with their host anemones, rarely straying more than a few yards from them.
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