单词	field teaching
释义	field teaching实地教学
随便看	homotonic，isotonic homotonous homotony homotope homotopic homotopic chain mapping homotopic critical point homotopic geodesic line homotopic mapping homotopic pain homotopic paths homotopic to a constant homotopic to constant homotopic to constant ; homotopic to zero homotopic to zero homotopic to zero--homotopic to constant homotopic transplantation homotopy homotopy addition homotopy boundary operation homotopy class homotopy coboundary operation homotopy equivalence homotopy extension homotopy group