chat room
chat room — noun
1. an online place where many people type messages back and forth at the same time,
an online place where many people type messages back and forth at the same time, usually all talking about one shared topic
Rodrigo joined a chat room for fans of old science fiction films.
join a chat room for [interest group]
In the gardening chat room, members shared tips about growing tomatoes.
in a [topic] chat room
Imran asked a question in the chat room and got three answers within seconds.
The teacher warned her students never to share their address in a chat room.
Late at night, the cooking chat room was still busy with people swapping recipes.
- forum
messages are posted and read later, not typed live at the same time
- online group
broader term; may be on social media rather than a dedicated chat page
- message board
older, slower form where posts stay up for days, not instant replies
文法句型
in a chat room
join a chat room
用法筆記
Subject is usually a person who 'joins', 'enters', or 'is in' a chat room; the preposition is almost always 'in'. Often modified by the topic name (a music chat room, a parenting chat room).