词汇	vertical smile
释义	vertical smile 🌏垂直微笑
随便看	double shake double shake cleaning double-shake cleaning double shaking screen double shank ladle double shaper double shaping machine double-shared double wheeled plough double shared double wheeled plow double-shared double wheeled plow double-shared plough double shared plow double sharp double sharps doubleshear double shear double-shear double shear bolt double shear coaxial double shear double rivet joint Double-shearing interference double shearing strength double shearing yield criterion double-shear joint double-shear lap riveting