medium

/ˈmiːdiəm/📚 3649 52 3四级六级考研托福雅思高考
If something is of medium size, it is neither large nor small, but approximately halfway between the two. 中等的

noun [抽象名词]媒介,媒体[单数];方法,手段;(艺术创作)材料,素材;灵媒,巫师;培养基;环境;中等,中号;存储(或打印)介质;(颜料)溶剂(如油或水);(品质、状态)中等,中庸

In Sierra Leone, English is used as the medium of instruction for all primary education.
在塞拉利昂,所有基础教育都用英语授课。

adjective [原级]中等的,中间的,适中的;五分熟的,半熟的;(程度、强度或数量)平均的;(颜色)不深不浅的,适中的;(投球,投球手)中速的

A medium dose produces severe nausea within hours.
中等剂量会在几小时内引起严重的恶心。

medium 出现在下面的课文中
Lesson 23 Bird flight
Episode 7 Man's Best Friend ACT III
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