-ium
suf. [构成名词]表示：[化学]化学元素：sodium; [化学]阳离子：ammonium, carbonium; [生物学]身体部位, 生物构造：mycelium; [植物学]块,小块：pollinium
🧩 词语组成解析
[医][=internal urethral meatus]尿道内口
🗣️ 情景例句
What do your parents do?
你父母是做什么的？
Greatest genius often lies concealed.
大智若愚。
He had found his family, and his roots at last!
他终于找到了他的家族，他的“根”了！