单词diplomatic bag
n.: 外交信袋（海关官员不能拆封）
网络: 外交邮袋；外交邮包；外交信袋外交邮包
外交邮袋，外交信袋（海关官员不能拆封）:
a container that is used for sending official letters and documents between a government and its representatives in another country and that cannot be opened by customs officers
Article 8 A diplomatic bag of the mission, whether outbound or incoming, shall be released by the Customs without inspection.
第八条使馆发送或者收受的外交邮袋，海关予以免验放行。
In so doing, it may employ all appropriate means, including diplomatic couriers, diplomatic bag, and messages in code or cipher.
通讯可以采用一切适当方法，包括外交信使、外交邮袋和明码、密码电信在内。
The diplomatic bag shall not be opened or detained.
外交邮袋不得开拆或者扣留。