1、信封英语：envelope，英 [?env?l??p] 美 [?env?lo?p]。2、I put please forward on the envelope. 我在信封上写了“请转递”。3、Please enclose a stamped addressed envelope to get your test results. 请附姓名地址邮资俱全的信封，以便把化验结果寄给你。
