1. Mosquitoes are well-known hematophagous insects, feeding on the blood of various animals including humans.
蚊子是著名的以血液为食的昆虫，吸食包括人类在内的各种动物的血液。

2. The vampire bat is a classic example of a hematophagous mammal, relying on the blood of other animals for sustenance.
吸血蝙蝠是以血液为食的哺乳动物的典型例子，它依赖其他动物的血液来维持生存。