He's really very human when you get to know him.
你若了解他，就知道他确实很有人情味。
Most of the problems were due to human error.
多数问题都是人为错误造成的。
Dogs can hear much better than humans.
狗的听觉比人灵敏得多。
He was studying the complex similarities and differences between humans and animals.
他在研究人和动物之间错综复杂的相似与不同之处。