Sloom
煤层下的软泥[软页岩]
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
People are always changing, aren't they?
人总是在变，不是吗？
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。