Their pointy snouts snuffling out insects and fat, juicy worms.

他们的尖嘴把昆虫，肉和多汁的蠕虫都消灭掉。

Dugongs graze on underwater grasses day and night, rooting for them with their bristled, sensitive snouts and chomping them with their rough lips.

儒艮日日夜夜地吃着水下的草料，它们用多刺和敏感的鼻子来翻找，并用粗糙的嘴唇和牙齿反复不断地咀嚼这些草料。

Chasing new kinds of food sources deeper into the water, these early waders gradually developed longer snouts and sharper teeth better suited for snapping up fish.

为了捕食新的食物，常常需要潜入更深的水下。水上开拓者的鼻子逐渐加长，牙齿越来越锋利，以便适应捕鱼。