stop up
中级 (B1) informal
To fill a hole so nothing can get through it, or to stay awake late at night.
"We stopped up the gap under the door to keep the draught out."
在语境中听
THE HOLOGRAPHIC UNIVERSE by Michael Talbot (Remastered)
Neville Goddard · 35:59
we heard something stop up the stairs
Pompeii Changed How I Think About The Roman Empire - Smarter Every Day 310
SmarterEveryDay · 28:25
and they use some clay to stop up one side, and then they pour multon lead