一定要确认把邮票贴牢了，再把信投入信箱。的翻译：Ensure that the tight stamp, and then dropped the letter in the mail. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Be sure to confirm the stamp firmly affixed, and then the letter into the mailbox.

Ensure that the tight stamp, and then dropped the letter in the mail.

Certainly must confirm pasted the postage stamp has been firm, again letter investment mailbox.

Be sure to verify that the stamps affixed a solid, and put into the input letter box.

Ensure that the tight stamp, and then dropped the letter in the mail.