Both are structures associated with roads or railways allowing for passage at different levels.
An overpass is a bridge or structure that allows roads or pedestrians to cross over a barrier, typically a road or railway, while an underpass allows passage beneath something.
A nanosecond is one billionth (1/1,000,000,000) of a second, while ... Learn more →
"Decline" is a general term for any reduction or decrease, ... Learn more →
The word "current" often implies a more temporal and ongoing ... Learn more →
Childish often connotes behavior typical of a young child, sometimes ... Learn more →