Septavalency
(=septavalence)[化]七价
🗣️ 情景例句
I know it's sudden, Robbie,
我知道这件事很突然， Robbie。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
However, when I was going out shopping last week, I noticed him in the garden near the gate.
然而上星期我正要出去买东西时，发现它正呆在花园里边靠门的地方。