echolocation - the process of using reflected sound waves to find objects, endangered - in danger of becoming extinct, endothermic - warming up the body by an internal source of heat energy from food, insectivore - eats insects, pup - a baby bat, nocturnal - active at night, torpor - a deep sleep, tragus - an extra flap of skin located at the base of the ear,

Bat Vocab

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恢復自動保存: ?