medium 什么意思

名词 n. [C]
1.中间;中庸;适中
There is a medium in all things.
凡事都有中庸之道.
2.媒介物,媒体;传导体[(+for)]
Air is a medium for sound.
空气是声音的传播媒介.
3.手段,工具[(+of)]
English is not the usual medium of instruction in our school.
英语不是我校通常使用的教学语言.
4.新闻媒介,传播媒介[P1]
A good deal of adult education is accomplished by the mass media.
成人教育的相当一部分是由大众传播媒介完成的.
5.(生物的)生活环境
Water is the natural medium in which fish live.
水是鱼类赖以生存的自然环境.
6.【生】培养基
7.(艺术创作所用的)材料;(艺术的)表现方法
Water color is an extremely difficult medium to work with.
水彩画是一种极难掌握的绘画手法.
8.(复数为mediums)巫师,女巫
形容词 a.
1.中间的,中等的,适中的
The man is of medium height.
这男人中等个儿.
2.(肉)烧得适中的,中等熟度的