词汇	lower upon
释义	lower upon vi.阴沉沉地看着,露愠色
随便看	intrinsic muscles of ear intrinsic muscles of swim bladder intrinsic naturalness intrinsic nature intrinsic nature of goods intrinsic necessity intrinsic negative photodiode intrinsic-negative photodiode coupler intrinsic nerve intrinsicness intrinsic noise intrinsic noise of detector intrinsic noise temperature intrinsic non-flammability Intrinsic nonlinearity intrinsic nuclear states intrinsic nucleation intrinsic number intrinsic number density intrinsic numeric Intrinsic obstruction intrinsicoid intrinsicoid deflection intrinsic optical communication intrinsic optical signals imaging