When 646 reconstructive embryos in 2-4 cells were transferred into 38 recipients under synchronous and asynchronous,no child was born.是什么意思_When 646 reconstructive embryos in 2-4 cells were transferred into 38 recipients under synchronous and asynchronous,no child was born.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句