词汇	划线刀
释义	划线刀 race knife
随便看	outer skin panel outer skirt outer shaft lining outer shaft wall outer shape outer sheath outer sheath of optic nerve outer shelf outer shelf countercurrent outershell outer-shell outer shellbellowscompensator outer shell bellows compensator outer shell electron outer-shell electron outer shell electrons outer shell layer Outer shell of filter outer shells on air diffuser outer-shell valence electron outer-shell virus outer shelter belt outer shield outer shielding outer-shirt