Impacting medium
[医] 封闭剂
🧩 词语组成解析
[医]撞击（的）, 碰撞（的）
medium
['midɪəm]
adj. 中等的，中级的;普通的;平均的;半生熟的;
n. 媒介物，媒质;中间，中庸，[生]培养基，培养液，颜料溶解液，[数]中数，平均，[逻]中名辞;手段，方法;中间物;
medi中间+um表名词→中间物，媒介
🗣️ 情景例句
Well, I wasn't clear about my future,
我对自己的未来当时也不清楚，
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Looking up I saw that we were surrounded by children in rags who were looking at us silently as we ate.
我抬头一看，发现我们被一群衣衫褴褛的小孩团团围住了，他们在默不作声地看着我们吃饭。