Doctors have continued to improve upon their existing techniques, with incremental improvements in their ability to induce ovulation, grow embryos longer in the lab and more safely transfer them to the womb.是什么意思_Doctors have continued to improve upon their existing techniques, with incremental improvements in their ability to induce ovulation, grow embryos longer in the lab and more safely transfer them to the womb.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句