Lutetium
n. 镥\\n[化] 镥Lu
??? 情景例句
Yes, I worked in a fashion shop last summer as parttime sales girl.
有，去年夏天，我曾在一家時裝店任兼職售貨員。
The lawyer must announce that you are the true inheritor of the family fortune.
律師必須公布你就是真正的遺產繼承人。
Its origin is still a mystery now.
它的起源至今仍是個謎。