PERFORATION - Định nghĩa trong Từ điển tiếng Anh
perforation (noun)
/ˌpɜːrfəˈreɪʃn/
Giải nghĩa:
A hole or a series of holes punched or bored through something
Ví dụ:
There's a perforation in this paper where you need to tear it off.
perforation (noun)
/ˌpɜːrfəˈreɪʃn/
Giải nghĩa:
The action of perforating or being perforated
Ví dụ:
The process includes the perforation of the metal sheet.
Cách sử dụng
Perforation refers to small holes or cuts made in a material, such as paper, cardboard or metal. These holes are usually made using a special tool or machine and serve a specific purpose, such as tearing off a section of a paper, allowing air to pass through a surface, or creating a decorative look. For example, postage stamps are often designed with perforations to make it easy to separate them from each other. In medical contexts, perforation can refer to a hole or tear in an organ or tissue, usually caused by injury or disease.
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