We use one umbrella because it is raining.

因为下雨我们合撑一把伞。

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We had only one umbrella, so Dad dropped us off so we wouldn’t get wet.

当时，我们只有一把雨伞，父亲不希望我们淋雨，就丢下我们先跑开了。

youdao

If six children and two dogs were under just one umbrella, how come none of them got wet?

如果一把伞下有六个孩子和两条狗，为什么他们都没有湿？

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Gmail provides multiple services under one umbrella, including e-mail, chat, calendar and productivity applications.

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The reality is they're not going to be able to do that that well under one umbrella.

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Yet bringing together Southeast Asia's 500 million people under one umbrella in just 30 years is a remarkable achievement.

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