Colmation
放淤
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
Hope springs eternal (in the human breast).
希望会产生，永远无穷尽。
I don't know his number. Did you write it down?
我不知道他的电话号码。你记下来了吗？