at a constant speed是什么意思、英文翻译及中文解释 本文已影响 388人 at a constant speeding-bottom: 66.56%;"> 词语: at a constant speed解释: 以等速词性: 介词词典: 航海专业英汉词典 at a constant speed 相关解释 以等速 at a constant speed;with constant speed