It's hard to watch these predations, but death is a crucial part of the natural cycle.

这样的捕食画面让人心酸，但生死轮回是大自然的一种循环。

Whaling vessels were sometimes the victims of the predations of other countries, our enemies, who sought to inflict economic harm.

捕鲸船有时是我们的敌人其他国家掠夺的受害者，这些国家试图造成经济损害。