常用 的中文句子和英文句子

显微镜用一个透镜或一些透镜的组合来制造小物体的放大形像的视力工具，通常用来观察肉眼看不到的物体

An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects, especially of objects too small to be seen by the unaided eye.


我们通常用称呼作为一封信的开头。

We usually begin a letter with a salutation.


一大段计算机存储区，常用于虚拟存储器寻址。

A larger computer storage area, usually used for virtual storage addressing.


白金常常用来做珠宝饰物。

Platinum is used to make jewelry.


教义问答法常用于宗教教学。

The catechism is used for religious instruction.


大弹子经常用来击打其它弹子的大理石弹子

A large playing marble, often used as the shooter.


主计算机大型的、强大的计算机，经常用作一些相互连接的终端服务器

A large, powerful computer, often serving several connected terminals.


盐是一种常用的食物防腐剂。

Salt is a common food preservative.


现在分娩时常用硬膜外注射.

Epidurals are now often used during childbirth.


蚯蚓常用作鱼饵。

Earth worms are often used as bait.