/iˈkɒlədʒi ||; iˈkɑlədʒɪ/noun [U] the relationship between living things and their surroundings; the study of this subject 生态；生态学 ➔ecological /ˌi:kəˈlɒdʒɪkl ||; ˌikəˈlɑdʒɪkḷ/ adj an ecological disaster 生态灾祸 ➔ecologically /-kli/ adv