许多宗教教导说灵魂是不朽的。

Many religions teach that the soul is ___immortal.

一些科学家认为生物技术有一天可能使人类不朽。

Some scientists believe biotechnology could one day make humans ___immortal.

在希腊神话中，神通常被描绘为不朽的存在。

In Greek mythology, gods are often depicted as ___immortal beings.