如果你在一个聚会上，你会发现每个人都在开心地大声笑着。

If you are at a party, you'll find everyone smiling happily and loudly.

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设想你在一个聚会上，大部分人你都不认识。

Imagine being at a party where you don't know most people.

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我是在一个聚会上认识他的。

I made his acquaintance at a party.

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In the first example, you could be at a social gathering and you really feel the need for some nicotine.

在第一个例子中，你可能在一个社交聚会上，你特别想找个地方抽根烟。

Do you mind 课堂 - SpeakingMax英语口语达人

Or in another example, maybe you met somebody at a social gathering last week.

在另一种情况中，假设上周你在一个社交聚会上见到了某人。

I'm frustrated 课堂 - SpeakingMax英语口语达人

In another situation, you can be in a social gathering

在另一种情况下，比如你在一个社交聚会上，

I think 课堂 - SpeakingMax英语口语达人