with no resistance between a surface or substance and something that is moving along or through it 无摩擦: 在表面或物质与沿其移动的物体之间没有阻力The block moves on a frictionless surface. 块体在无摩擦的表面上运动。
achieved with or involving little difficulty or effort 无摩擦的: 只需很少的困难或努力即可实现You want the buying experience to be as frictionless as possible. 您希望购买体验尽可能无摩擦。