Fluooxycolumbate
氟氧铌酸盐
🗣️ 情景例句
Richard, how much broccoli do I need for seven people? Richard
七个人吃需要多少花椰菜
It's nothing serious; just some routine examination (checkups).
这并不是什么了不起的事，只不过是常规检查而已。
CUSTOMS OFFICER: Are you tourists?
你们是来旅游的吗？