in·ter·fuse /ˌɪntɚ/
  (vt.)(vi.)(使)混入,(使)混合
  In·ter·fuse v. t.
  1. To pour or spread between or among; to diffuse; to scatter.
  The ambient air, wide interfused,
  Embracing round this florid earth.   --Milton.
  2. To spread through; to permeate; to pervade. [R.]
     Keats, in whom the moral seems to have so perfectly interfused the physical man, that you might almost say he could feel sorrow with his hands.   --Lowell.
  3. To mix up together; to associate.
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