词汇	polarity change
释义	polarity change 极性变更
随便看	exterior fixation exterior focusing exterior focusing telescope exterior focussing telescope exterior forces exterior form exterior forms exterior formwork exterior frame exterior galaxies exterior galaxy exterior gateway Exterior Gateway Protocol exterior genitalia exterior gestation exterior glues the steel exterior-grade exterior-grade plywood exterior gradual ditch exterior grounding conductor exterior hash function expression exterior heat exterior heat and interior cold exterior heat insulation exterior heat-insulationsystem