他们把他替换下来真不错。 Good job they have get a replacement for him.
密码一种密码系统，其中固定长度的明文里的单元，通常为字母，被任意倒置或按事先确定的符号系统替换 A cryptographic system in which units of plain text of regular length, usually letters, are arbitrarily transposed or substituted according to a predetermined code.
长音节的拆分或替换一个韵律元素替代另一个，尤指在数量韵文中用两个短音节替代一个长音节 The substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse.
德国教练现在正让一个替换队员在边线旁做准备活动。 The German coach has one of his substitutes warming up on the touch-line now.
