biology of marine mammals
常见例句
- His field was marine biology, and he had noted that human skin was not only naked but lined with a layer of fat, and that this was true of a number of aquatic mammals.
他提出，人类皮肤不仅没有毛发，而且布满了一层脂肪，许多水栖哺乳动物就是如此。 返回 biology of marine mammals