Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it.
棱皮龟没有鲸脂，但它们有和爬行类动物相似的结构：厚且含油的皮肤，下面有一层纤维，再下面是脂肪组织。
2
She started to blubber like a child.
她像个孩子一样开始放声大哭。
《柯林斯英汉双解大词典》
3
The baby whale develops a thick layer of blubber to protect it from the cold sea.