Lanthanoid
镧系元素
🗣️ 情景例句
You are very lucky, Robbie, to have such a nice family.
Robbie你真幸运 拥有这样温馨的家。
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
I say, let's go out for a drive next Sunday.
我说，咱们下星期天开车出去兜兜风吧。