Celtium
(=Hafnium)[化]72号元素铪的旧称
🔁 扩展释义
【医】 72号元素铪的旧名
🗣️ 情景例句
Attending school is compulsory in this country.
这国家衽的是义务教育。
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
The film itself wasn't good but I liked the music.
电影本身不怎么样，但音乐还不错。