第一天，这个男孩在围篱上钉下了37根钉子。

The first day the boy had driven 37 nails into the fence.

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就在第一天，小家伙就已经在篱笆上钉了37个钉子。

The first day the boy had driven 37 nails into the fence.

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第一天，小男孩在栅栏上钉了3七个钉子。

Thefirst day the boy had driven 37 nails into the fence.

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第一天，小男孩在栅栏上钉了3七个钉子。

Thefirst day the boy had driven 37 nails into the fence.

youdao