Fluoscandate
氟钪酸盐
🗣️ 情景例句
You're late.
已经迟了。
Knowledge advances by steps not by leaps.
知识的获得是循序渐进而不是突飞猛进的。
After being absent from the Gables for a week,
一次，姑妈有一个星期没在“山墙庄园”住。