词汇与表达：silt

silt
The harbour has now silted up.
港口现已淤塞。
联想到的拼写接近的单词是soil，silk，联想到堵的单词是block

已经忘记这个词：
The lake was almost solid with silt and vegetation.
湖里几乎快被淤泥和植物填满了。