First, you'll need a non-digital watch in working condition and a sunny day.

首先，你需要一个正常工作的机械表，天气必须是晴天。

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I just want to be sure that everything is here and in working condition.

我只是想确定一下每样东西都在这里、没有故障。

youdao

I just want to be sure that everything is here and in working condition.

我只是想确定一下每样东西都在这里、没有故障。

youdao