The 'Down Chain' rides inboard of the bearing, and moves with the fork.

在'打倒链'骑内侧的轴承，和行动的交岔路口。

youdao

One would expect some steering effects from the down chain pulling the cassette on one side of the wheel.

人们会期望一些指导作用的下跌链拉动盒式一方的方向盘。

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Insects are fairly low down (on) the food chain.

在食物链中，昆虫是相当低的一级生物。

《牛津词典》

A few years ago, OhioHealth,a hospital chain, decided to help its overweight employees slim down and lead a healthier life style.

VOA: standard.2010.07.16

They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.

这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下

耶鲁公开课 - 生物医学工程探索课程节选

The nucleotide has a directionality, there's an up and a down to it and it's going to turn out the chain that's formed by polymerizing these has a directionality as well and that's important in defining the structure.

核苷酸有方向性,有上端和下端,核苷酸长链,是由核苷酸沿一个特定方向聚合而成的,这在定义结构时很重要

耶鲁公开课 - 生物医学工程探索课程节选

One recent story showed how "fence rustlers" are tearing down chain-link fences to sell to receivers of stolen goods.

FORBES: Press Lords

The venture business is getting disrupted up and down the chain of firms from small to large.

FORBES: Connect

Next down the chain of capital, preferred equity and derivatives liabilities are eliminated.

FORBES: A Debt/Equity Swap To Recapitalize European Banks: A Real World Example