封 的中文句子和英文句子

有封写给你收的信。

There is a letter addressed to you.


这个信封封得很严实。

The envelope was firmly sealed.


寄一封航空信的邮费要多少？

What is the postage for an air letter?


他承认那封信是伪造的。

He confessed the letter a forgery.


管子以熔合管端的方法封闭起来了。

The tube was sealed off by fusing the material together.


这封信只用一张纸写成。

The letter was written on a single sheet of paper.


减少元件和电路的几何尺寸，以达到增加电路的封装密度、减少功耗和减小信号传播延迟的目的。

The reduction in size of components and circuits for increasing package density and reducing power dissipation and signal propagation delays.


显然，他一封信也没给她写。

Apparently he never wrote a letter to her.


这些放射性废物应该放在密封的箱子里深埋在地下。

The radioactive waste should be buried deeply under the ground in sealed box.


这封信的内容与政治无关。

This letter does not pertain to politics.