Human-animal embryos would gie scientists a ready source of embryonic stem cells on which to carry out research, without haing to rely on human eggs.是什么意思_Human-animal embryos would gie scientists a ready source of embryonic stem cells on which to carry out research, without haing to rely on human eggs.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句