stem the flow of;
"shut off the gas when you leave for a vacation"
isolate or separate;
"She was shut off from the friends"
block off the passage through;
"We shut off the valve"
- A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section.
- A movable structure used to close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates.
- close off 把 ... 隔离开来...