〔美国〕由同一邮局收递的信件。的英文

drop letter

• 美国:    the United States ...
• 由:    cause; reason
• 同一:    same; identical
• 邮局:    post office
• 收:    put away; take in
• 递:    hand over; pass; g ...
• 的:    4次方是 The fourth po ...
• 信件:    letter; mail; miss ...