Samples from the dead whale ( pdf ) will ultimately tell what killed this denizen of the deep .
科学家们将从死鲸身上提取样本进行检测,以便查明谁才是杀死这位深海居民的真正凶手。
Dongjiang river is the main drinking source of hongkong , heyuan , huizhou , dongguan , shenzhen , guangzhou of guangdong province with over 40 million denizen .