on the envelope的用法和樣例：
例句
- Put a stamp on the envelope, will you?
在信封上貼張郵票，好嗎？ - Judy collects stamps, and the stamps on the envelope made her mouth water.
朱蒂愛(ài)好集郵，所以這信封上的郵票頗使她心動(dòng)。 - He stuck a stamp on the envelope.
他在信封上貼上郵票。 - Does the name on the envelope correspond with the name on the letter inside?
信封上的名字與里面信上的名字是否相同?
