After the car accident, he described his near-death experience, saying he saw deceased relatives waving at him.

near-death 是由 near（接近）和 death（死亡）组成的复合形容词，字面意思是"接近死亡的"。 experience 是名词，意思是"经历、体验"。 near-death experience 指人在濒临死亡状态下经历的一系列主观体验，包括看到已故亲人、穿过隧道等幻觉现象，中文常译为"濒死体验"。