You can refer to people as humans, especially when you are comparing them with animals or machines.
近义词person , human being
双语例句例： Like humans, cats and dogs are omnivores.
和人类一样，猫和狗是杂食性动物。
例： The drug was tested on animals before it was tested on humans.
在人体测试之前，该药物先要在动物身上测试。