A pin has a point and a shank like a needle; but it has no eye, and it has a head.

大头跟缝衣一样，也有尖、柄，但没有“眼”，只有一个“大头”。

His microscopes were less than two inches long and were used by holding one side close to the tiny lens and looking at the sample suspended on a pin.

他的显微镜不到两英寸长，使用时，要将一头靠近小透镜，然后观察悬挂在大头上的样本。

You need quite a lot of equipment actually -a hand drill, an old record, a pin or needle, some paper and a bolt.

事实上，你需要很多材料。一个手摇钻、一个旧唱片、一个大头或，还有一些纸和一个螺钉。

So he showed that 10 specialized workers who had been invested in, in their human capital, could produce 4,800 pins a day, as opposed to just one by an unspecialized worker.

于是他展示了经由人力本投的10 个专业化分工的工人，每天能生产 4，800 个大头， 1 个非专业分工的工人每天只生产 1 个大头。

Pins and needles are small, sharp, thin metal objects often used when sewing.

大头和缝纫，是细小、尖尖的的金属物，在缝纫中经常会用到。

That silver thing That is the head of a pin.

那个银色的东西是大头的头部。

All with peepers that are no bigger than a pinhead.

所有人都有不大头大的窥者。

They look a little bit like a circular head attached to a curly pin.

它们看上去有点像大头上的圆头。

Tricky one, they look exactly the same, but pin in Vietnamese is not a thin piece of metal with a sharp point used to fasten pieces of clothes together as in English.

很难，它们看起来完全一样，但越南语的大头并不是英语中指的薄薄的一块带有尖头的金属，用于将布块固定在一起的别。

Chapter 1. The Brain A 2009 study gave participants a unique creativity puzzle to solve involving a candle a box of tacks and matches.

第 1 章 大脑2009 年的一项研究给了参与者一个独特的创意谜题，其中包含有蜡烛、一盒大头和火柴。

Plenty of people do hear the phrase " Let's put a pin in it" and wish they had a sharp object to hand.

但很多人确实在听到“我们就在这里插根大头吧”这句话时，会真的希望自己手头上有一件锋利的东西。

A 2009 study gave participants a unique creativity puzzle to solve involving a candle a box of tacks and matches.

2009 年的一项研究给了参与者一个独特的创意谜题，其中包含有蜡烛、一盒大头和火柴。

Okay, and so the red pins on this map mark all the locations of closets that were made with the toxic wood.

地图上用红色的大头标志着的是所有我们用了有毒木材制作的衣柜的所在位置。

Ha! These are the things which stung me. Now touch the little bag with the point of the pin.

哈！这些就是蜇我的东西。现在，用大头的头碰碰那个小囊袋。

These lipids are pin shaped molecules whose heads are attracted to water, and tails are repulsed by it.

这些脂质是呈大头状的分子，头部具有亲水性，尾部具有疏水性。

That's why the image of a pin is hidden in the letter P, simple and clear.

这就是为什么大头的图像隐藏在字母 P 中，简单明了。

Try; take this pin and touch the knob. Well, what do you see?

试试，用这个大头碰碰那个疙瘩。你看见什么了？

It also keeps the pin from going quite through the cloth.

大头也用来固定住大头，不让它整个儿从布里滑出去。

If you want to refer to the English pin, you will say kim.

如果你想表达英语中的大头，那么你要说 kim。

And since you didn't ask, the green pins are all the addresses of potential fathers of mine.

既然你没问到，这些绿色的大头标志了所有可能是我父亲的人的地址。