Once it becomes routine, the ability to swap pieces of chromosomes this way in the laboratory might allow scientists to exchange alleles between some plants that cannot be crossbred naturally.是什么意思_Once it becomes routine, the ability to swap pieces of chromosomes this way in the laboratory might allow scientists to exchange alleles between some plants that cannot be crossbred naturally.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句