dredging
n. 挖泥；清淤
v. 疏浚；挖掘（dredge 的 ing 形式）
例句
They're dredging the harbour so that larger ships can use it.
他们正在疏浚港湾以便大船驶入。
《牛津词典》
The depth of the river is maintained by dredging.
通过疏浚保持河道的深度。
《新英汉大辞典》
Now she was dredging up memories from the depths of her mind.
这时，她回忆起内心深处的往事。
