Colluvium
n. [地质]崩积层
✅ 同义词
🗣️ 情景例句
And this is my wife Marilyn.
这是我太太Marilyn。
No, she isn't.
不，她不是。
Sometimes we aren't able to get into every building because there are too many steps.
有时我们并不能进每栋楼房，是因为楼梯太多了。