Polar animals are either covered in winter coats of fur â which traps warm air close to the body â or else large quantities of fat, sometimes inches thick. Fat does not transfer heat very well, so it keeps it inside the body. Humans, with naked skin and relatively little fat, just arenât built for these environments.
Essentially, TRu is an expression of contentment, satisfaction, goodness, approval, and/or of course, agreement. It is generally enunciated in a deep, low voice, with a slightly increasing pitch, and the vowel sound of u is elongated without the diphthong.
DRU: Distal Radio-Ulnar: DRU: Data Retrieval Unit: DRU: Data Receiver Unit: DRU: Data Reformatter Unit: DRU: Depot Replaceable Unit: DRU: Demountable Refrigeration Unit: DRU: Double Radio Unit: DRU: Druid (Everquest) DRU: Dynamic Reference Unit: DRU: Doctoral/Research University (school classification)