underline反义词

反义词是overbar，overline。中文意思是，上划线

例如

Results of the computations show that on overline bridge a pressure pulse occurs while a train passes. the coefficients of the pressure pulse range from-0.135 to 0.095.结果表明，高速列车通过时跨线天桥表面受到空气压力波的作用，压力系数的波动范围为-0．135～0．095。