Colluvium
n. [地质]崩积层
✅ 同义词
🗣️ 情景例句
OK.
好。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。