练精化气AAA: 给谁看???
cartoonyang: hehe!
I am teaching developmental biology, of course, show this viedo to the students....
Any more questions?
练精化气AAA: 这样 生物 有这个专业方向吗??
cartoonyang: 呵呵,
My major is Animal Genetics, Breeding and Reproduction, which is not in Biology, but is Animal Husbandry.
练精化气AAA: 是呀 那你放给动物看??