Suddenly, I saw her lips begin to tremble and tears begin to flow down her cheeks.

突然，我看到她的嘴唇开始颤抖，眼泪开始从她的脸颊流下。

youdao

Open sewers flow down the streets.

排水沟在户外，污水沿着街道流动。

youdao

But claret was beginning to flow down the social hierarchy.

不过红酒开始沿着社会等级向下流动了。

youdao

"You need two to tango . And as Mexico seeks to shut down the flow of drugs coming into the United States from Mexico and South America, we need the support of the United States to shut down the flow of weapons ,".

VOA: standard.2009.04.12

They move from regions of high concentration to regions of low concentration by this natural flow down a concentration gradient.

从高浓度区域,向低浓度区域流动,顺浓度梯度流动

耶鲁公开课 - 生物医学工程探索课程节选

You also should structure the trust so the remainder of the assets flow down only to one generation.

WSJ: Paying Them Back

Even if that could be done, gravity would cause water to flow down the kite string onto the silk cord, ruining its insulating power.

FORBES: Founding Fraudster?

From the Chicago HQ tendrils flow down to every single state.

BBC: A targeted message from Obama 2012