知識+
請幫我寫一大段英文段落!!!
I already told you about my clitellum, that whitish band near my anterior (head) end. It forms when .... Then a cocoon forms on each of us on our clitellum. As we back out of the narrowing cocoons, eggs and sperm...
I already told you about my clitellum, that whitish band near my anterior (head) end. It forms when .... Then a cocoon forms on each of us on our clitellum. As we back out of the narrowing cocoons, eggs and sperm...