Efforescence
渗斑; 泛碱
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
What were you doing this time last year?
去年这时候你在干什么？
I'd like to-repair our differences.
我愿意消除一下我们之间的分歧。