We climb the rungs to reach higher up.

我们爬梯子以到达更高处。

" Two hundred and thirty rungs, and then" ?

" 二百三十只铁环之后呢？"

So, for me climbing a few more rungs on the ladder means more money and more security.

所以，对我，多爬几级就意味着更多的钱和安全感。

The rungs are pairs of four chemicals marked as A, G, C and T.

这些梯级由四种化学物质组成，标记为 A、G、C 和 T。

However, as some people climb, they reach down and help up those on the lower rungs.

然而，有些人在爬的，会俯下身帮助那些处于较横档的人。

Normally, as people rise up the rungs, the more noticeable they are, the more likely they'll have coaching.

一挺起胸膛的人更容易被关注，他们像是被训练。

Can anyone move up the rungs of the social ladder?

任何人都可以在社会阶梯上更上一层楼吗？

I guess we could call it one of the " rungs" (rungs).

我想我们可以称它为“梯级”（rungs）之一。

A ladder has what are called " rungs."

梯子有所谓的“横档” 。

But like I said, there's five rungs, and all the first four are focused outwardly.

但就像我的，有五个梯级，前四个梯级都集在外。

Wise choice. How many rungs? Six!

明智的选择 几阶 六阶！

Ladders are made from two long pieces of wood, metal, or rope with a series of steps, called rungs, between them.

梯子由两根长长的木头、金属或绳子以及它们之间的一系列梯级组成，这些梯级被称为横档。

Think of DNA's structure as a ladder whose rungs are made up of different bases and sides as sugar – phosphate.

把 DNA 的结构想象成一个梯子，阶梯是由不同的碱基组成的，两边是糖-磷酸。

Nobody could run ounter to his wish, so he followed her up some rungs.

没有人可能违反他的意愿。他跟着她上了梯级。

When you focus on the upper rungs of the ladder, you're almost guaranteed to find happiness that lasts.

当你专注于阶梯的上层时，你几乎可以保证找到持久的幸福。

There were different rungs to go off to get to where you really wanted to go which was to have a seat.

有不同的梯级让你去你真正想去的地方，去往一个有属于你的位置的地方。

Dick began to climb the rope he had left dangling from the rungs of the iron ladder.

迪克开始爬上他留在铁梯横档上的绳子。

Before lessons can be drawn from critters perched on the lower rungs of the evolutionary ladder, their behaviour must first be understood.

因为必须首先理解这些动物的行为，人们才能借鉴，而由于这些动物处于进化阶梯的较位置，（人们并不容易理解）。

The scholarship to college is a really really important prize for that child because they do come from the lowest rungs of society.

上大学的奖学金对这些孩子是一个非常重要的奖励，因为他们自社会的最底层。

DNA is made of two helicoidal strands, one opposite the other with bases in the center like rungs of a ladder.

DNA 由两条螺旋链组成，一条相对，间有碱基， 就像梯子的梯级。