These were very early abacuses, which developed around 4,000 years ago into the more traditional style of beads threaded onto rods and set into a frame.

这些都非常早期算盘，大约在4000年前发展成为更传统形状，将珠子穿过杆并镶嵌成一个框架。

A lightning rod is a long piece of metal.

避雷针一根长长金属。

I need to pull the fishing rod.

我需要拉竿。

He packed his fishing rod, his toothbrush, his comb and brush, his sweater, his poncho, and his tennis racquet.

他又把他杆，牙刷，梳子，画笔，他羊毛衫，防水衣，网球拍也装了进去。

This include a stick, metal rod and finally, nunchucks.

包括用上木棒，金属棒，到最后更用上双节棍。

Reinforcing concrete with steel rods called rebars is the basis of modern construction.

钢筋混凝土建筑基础。

While powering a nuclear reactor, these fuel rods become very, very hot.

在为核反应堆提供动力时，这些燃料棒会变非常烫手。

These pieces of graphite enveloped uranium rods.

这些石墨里面包覆着铀棒。

Bring your rod back then cast the line out.

把竿往后甩然后再抛出去。

Dr Schwartz and his team coaxed embryonic stem cells to become retinal pigment epithelium tissue which supports the rod and cone cells that actually respond to light

他团队诱导胚胎干细胞成为视网膜色素上皮组织细胞－其中杆细胞及锥晶细胞对光线敏感。

A lightning rod is someone who becomes the target of criticism to draw attention away from more serious issues or other people.

避雷针指成为批评对象以把注意力从更严重问题或其他人身上转移开人。

First of all they say, she is a lightening rod for Republicans.

首先，他们说，她共和党避雷针。

As another website tells us about the sudden increase in power, " A peculiarity of the design of the control rods caused a dramatic power surge as they were inserted into the reactor" .

正如另一个网站上告诉我们那样，电力开始突增，" 控制棒一个设计独特之处在于，当它们被插入反应堆时，会引起巨大功率激增。"

Those MPs, the black rod usher and commons officials all make their way to the lord's chamber where they stand in the back.

这些议员，黑杖侍卫和下议院官员站在上议院大厅后面。

Scientists say spent nuclear rods are so hot, they can't even be moved for several decades until they cool down, and that then, they need to be buried at least 3,300 feet underground for a million years.

科学家表示，用过核棒温度过高，在冷却之前几十年内都无法移动，即使能移动了，它们还需要被埋在至少3300英尺地下100万年。

The secret to anything, I think, Holding to the rod.

一切秘诀，在于坚定信念不动摇。

Hot rods, muscle cars, cruisers, all sorts of awesome rides and people.

豪车、肌肉车、巡洋舰，各种好玩游乐设施和人。

That's not fishing using a rod, line and hook, but by sending an email that looked like it came from your bank, asking for confidential information.

那不用竿、线和钩钓，而发送一封看上去像来自银行电子邮件，询问保密信息。

He says he is at peace with his place in history as the first to see the far side of the Moon and Earth rods as a member of the historic Apollo 8 mission

他表示他对自己在历史上位置感到释然--不管怎么说，他第一批看到月球反面和地球在太空中样子人之一，具有历史意义阿波罗8号机组人员之一。

It's filled with fuel rods, that are 17 by 17.

它装满了 17×17 燃料棒。