英语词汇Tφdsφ怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	Tφdsφ
释义	Tφdsφ
随便看	back crosses backcross genetic composition formula backcross hybrid backcross back crossing backcrossing scheme back cross mating backcross mating backcross method backcross method of breeding backcross nucleus substitution backcross parent backcross parents backcross pedigree writing backcross progeny backcross quantitative trait back cross rail backcross ratio backcross restoration gene back cupping back current back current brake back current principle back current step back curtain