queue

queue — noun

1. a row formed by people or vehicles positioned one after another, each waiting fo

1.名詞B1
釋義

a row formed by people or vehicles positioned one after another, each waiting for their chance to do something such as buy a ticket, board a train, or enter a building.

例句

A long queue of shoppers formed outside the department store before it opened.

queue of + people group

Rohan joined the queue at the ticket counter twenty minutes before the film started.

join the queue + for a purpose

同義詞
  • line

    the standard American English term for a queue of people or vehicles

  • row

    emphasises people or things arranged side by side, not one behind another

  • waiting list

    an ordered list of people wanting a service, not a physical line

文法句型

queue of + people/vehicles

the queue for + noun

in a queue

用法筆記

Queue is the standard term in British English; American English uses line instead for people waiting. The computing sense (sense 2) is used in all varieties.

常見錯誤

I stood in the queue line for ages.
I stood in the queue for ages.
💡'queue' already means a line; 'queue line' is redundant.
There was a queue of waiting people.
There was a queue of people.
💡Adding 'waiting' is unnecessary because queuing implies waiting.

2. a structured list of data items, tasks, or messages stored in a computer system,

2.名詞B2
釋義

a structured list of data items, tasks, or messages stored in a computer system, where each new item is added at the back and items are taken from the front for processing.

例句

The printer queue had twelve documents waiting to be printed.

printer queue — common collocation

The rendering software added each new frame to the back of the video-processing queue.

added to the back of the queue — FIFO order

同義詞
  • list

    a more general term; not all lists follow first-in-first-out order like a queue does

  • buffer

    a temporary storage area that may or may not use queue ordering

  • stack

    a data structure where the last item added is processed first (LIFO), opposite of a queue

文法句型

the + noun + queue

in a queue

add to the queue

用法筆記

In computing, queue follows FIFO (first in, first out) order. Distinguish from stack (noun sense 2 in computing), where the last item added is processed first.

常見錯誤

I cleared the queue by deleting items from the middle.
I cleared the queue by processing items from the front.
💡A queue processes items from the front only; deleting from the middle breaks the data structure.

queue — verb