gucks

There was some sticky guck on the kitchen counter, so I wiped it off.

用法提示：guck 在这里作不可数名词，指黏稠的物质。

The drain was clogged with dark guck, and we had to clean it out.

用法提示：guck 指堵塞管道的黏稠污物。

After the storm, the street was covered in mud and guck.

用法提示：guck 与 mud 并列，表示黏糊的污物。