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单词	balanced lethal
释义	balanced lethal noun : a true-breeding heterozygous organism maintained in a stable state through the existence of different lethals on each of a pair of homologous chromosomes and resulting in loss of all homozygotes Word History First Known Use 1917, in the meaning defined above
随便看	nisuses nit nit fly nit grass nit-picking nitchies nite Nitella nitellae nitellas niter niter cake niter-blue niterie nondegradable nondegradables nondegree nondelegate nondelegates nondeliberate nondelinquent nondeliveries nondelivery nondemanding nondemocratic

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。