expression, noun
long line; long queue
Idiomatic expression for a very long line of people or things, often used in news or descriptive writing.
新作のスマホを買うために、店の前に長蛇の列ができた。
A long line formed in front of the store for the new smartphone.
人気ラーメン店に
There is always a long queue at the popular ramen shop.