Just to be clear, you should never put thumbtacks in your cereal.

说明一下，你不能在你的麦片里放图钉。

Let's try it with these thumbtacks.

现在我们用这些图钉试试。

" It was like having red-hot thumbtacks being driven into my flesh, " he said.

“那感觉就像有烧红的图钉在往我肉里扎一样，”他说。

Like a big giant pencil or thumbtack or something and I'm running around.

像大铅笔或者图钉 我在跑。

Other aquatic insects like water treaders exploit surface tension, just like thumbtacks and paper clips.

其他水生昆虫，如水蟑螂，就像图钉和回形针一样利用表面张力。

He said: " It was like having red-hot thumbtacks driven into my flesh." He said the sting was " excruciating" .

“就像是有个烧红的图钉钉进了我的肉里。”他说这种刺痛是“痛苦的”。

I'll get the thumbtacks. - Two dozen?

那我去那图钉 -两打？

When I put thumbtacks on top of the water in here, they floated to the edge instead of the center.

当我在这里将图钉放在水面上时，它们会漂浮到边缘而不是中心。

He walked thwart a tier of thumbtacks then went into an airtight and watertight room.

他横跨过一排图钉，走进一间不漏气不漏水的屋子。

You'll also need some tape, a paper clip, a thumbtack, and two books that are about the same thickness.

你还需要一些胶带、一个回形针、一个图钉和两本厚度差不多的书。