资料来源 : pyDict

等冬温线; 冬季等温线

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

Isocheim \I"so*cheim\, n. [Iso- + Gr. ?, ?, winter.] (Phys.
   Geog.)
   A line connecting places on the earth having the same mean
   winter temperature. Cf. {Isothere}.