受孕六周后你的孩子有你小手指甲那么大。

Six weeks after conception, your baby is the size of your little fingernail.

《柯林斯英汉双解大词典》

这个女人发现他们有相同之处，包括她们吮吸同一个手指的习惯，以及大学里学了相同的专业。

The women discovered they had things in common that included a habit of sucking on the same fingers and the same major in college.

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在树干的末端，有一个奇怪的部分，大约五英寸长，它形成了一个手指。

At the end of the trunk, there is a strange part, about five inches long, which forms a finger.

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Now, you know, take your hands and kind of do that and you can get a sense of how small that really might be.

你们可以用自己的手指比划下,感觉下三英寸有多小

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