A experiment that the embryos of Angus beef were transfferred to 9 native cows was conducted using the technology of embryo transfer The result was that four native cows became pregnant and the conception rate was 44 .4%.是什么意思_A experiment that the embryos of Angus beef were transfferred to 9 native cows was conducted using the technology of embryo transfer The result was that four native cows became pregnant and the conception rate was 44 .4%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句