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attention n. 注意
Attention, please. 请注意
Attention! 立正！
pay attention to : 对什么注意
You must pay attention to the book.
pay more attention :稍加注意
was/were doing
The girl was reading a book in the garden. A boy came to her.
一个故事的背景往往用进行时态来描述。
We were camping in a tent when a bear appeared.
conversation n.谈话(非正式的)
They are having a conversation about their holiday.
They are having a conversation with their father.
talk： 可正式也可为非正式的私聊
dialogue：对话，公谈（正式）
chat: 闲聊（无关紧要的事） gossip:闲言碎语
have a + talk/chat/dialogue/conversation/gossip
