Level, flat quality of a surface

• Lack of bumps or irregularities
• Uniform height across an area

表面平坦的特性

• 没有凸起或不规则
• 整体高度一致

Uniformity or consistency across parts

• Equality or close balance in amount or number
• Steady, regular pattern without sharp variation

各部分之间的均匀一致

• 数量或数值上的相等或接近平衡
• 稳定、规律而无明显波动

Calm steadiness of mood or tone

• Lack of agitation or abrupt change
• Balanced demeanor under stress

情绪或语调的平和稳定

• 缺少躁动或突然变化
• 压力下保持的平衡举止