常用 的中文句子和英文句子

在一单位长度内包含的有用信息单位数。通常用每英寸多少单位表示。

The number of units of useful information contained within a linear dimension, usually expressed in units per inch.


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.


塑料是现今常用的材料。

Plastics are often used today.


现在分娩时常用硬膜外注射.

Epidurals are now often used during childbirth.


大字标题通常用大号铅字排印的新闻报道的标题或题目

The title or caption of a newspaper article, usually set in large type.


现代陶器通常用作装饰品。

Modern pottery is usually ornamental.


演讲者常用手或手臂做手势来强调他所说的某些要点。

A speaker often makes gestures with his hands or arms to stress something he is saying.


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.