资料来源 : pyDict

热带圈外的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ultratropical \Ul`tra*trop"ic*al\, a. [Pref. ultra- + tropical.]
   Situated beyond, or outside of, the tropics; extratropical;
   also, having an excessively tropical temperature; warmer than
   the tropics.