The intervening three decades are fraught with peril, from natural predators to oil spills to entanglement in fishing gear.
这三十年间充满着危险，从自然界的虐食者到油泄漏到捕鱼设备的纠缠物。
The intervening three decades are fraught with peril, from natural predators to oil spills to entanglement in fishing gear.
这三十年间充满着危险，从自然界的虐食者到油泄漏到捕鱼设备的纠缠物。
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