Dotment
氧化铝
🗣️ 情景例句
I'll be married to Susan.
我就要和Susan结婚了。
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。