Colmatage
(=colmation)淤灌, 放淤
🗣️ 情景例句
I enjoy writing.
我喜欢写作。
We pitied the family in their sudden unhappiness.
那家人遭受突然的不幸，我们深感同情。
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。