a sealed envelope的意思|示意

The security code for use in emergency was supposed to stay in a sealed envelope for the cosmonaut to open only if necessary, but Ivanovsky was too nervous to stick with protocol.

紧急条件使用的安全密码放在一个密封信封中，宇航员只有在必要情到况下使用，Ivanovsky过于紧张没有按照预定的程序执行。

He sealed the envelope and put a stamp on it.

他封上信封，然后贴上邮票。

While in use, just the covering paper is removed away, and the envelope can be directly sealed. The envelope is convenient for a letter-mailer.

使用时，只需揭下覆盖纸，即可将信封直接粘合，给寄信者带来方便。

Instead, the gender is written down and sealed in an envelope. The envelope is then passed to a baker or friend who makes a large celebration cake in either pink or blue.

医师会把性别写下，装进信封封好口，然后把信封交给制作聚会大蛋糕的蛋糕师或者一位好友。

The teacher writes it and then gives it to the student in a sealed envelope or mails it to the college directly.

老师写好后封进信封里交给学生或直接寄到大学。

It was a red Christmas card envelope, sealed.

搜过每一处可能藏东西的地方已经是半小时后了，他找到了见过的那个东西，一个密封的红色圣诞贺卡信封。