Septavalency
(=septavalence)[化]七价
🗣️ 情景例句
I'm new here, can you help me find my way around?
我是新来的，你能带我转转吗？
Please give my best regards to your family.
请代我致最高的敬意，向你的家人问好。
Is she at school today?
她今天上学来了吗？