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
Which advertisement company did you serve?
你在哪家广告公司做事?
How long will you be away?
你将离开多久?
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.