provided a lifeline for scavengers, searching out death in the deep. 为在深海寻找死尸的食腐动物 提供了一线生机
A lifeline in the darkness. 这是黑暗中的一线生机
In the Arctic, any breach in the icy barrier can be a lifeline. 在北极 每一处破冰的地方都是一条生命线
It becomes their lifeline - 这成了它们的救生索