Septavalency
(=septavalence)[化]七价
🗣️ 情景例句
He couldn't take time off to come to New York with me.
他走不开 没办法和我一起来纽约。
How much is this meat per pound?
每磅肉要多少钱？
We can stop here on the right beyond the tree. Let's make our camp here.
我们可以在右边的树下停车。我们就在这里露营吧。