The numerical simulation also indicated that secondary cold gas injection had very obvious effects on the surface wall about the exit of the nozzle diffuse.

二次冷喷流对喷管扩散段出口附近壁面有非常明显的冷却作用。

youdao

It's only a low wall—about a metre high.

那只不过是一堵矮墙—约一米高。

《牛津词典》

A doorway in another wall opened to an even smaller room, about one meter wide and two meters high.

VOA: special.2009.02.07

Unfortunately, The Wall Street Journal stopped carrying this and I thought--it's an interesting story about what goes on.

很不幸 《华尔街日报》已不再登载这些,在我看来,里面有一个有趣的故事

耶鲁公开课 - 金融市场课程节选

Talib, who's a Wall Street professional, talks about these black swans as being the real story of finance.

华尔街的专家塔利博,用金融界的真实案例讨论黑天鹅现象

耶鲁公开课 - 金融市场课程节选

John Rowe, chief executive officer of nuclear firm Exelon, saw the writing on the wall about government penalties and rewards for producers of greenhouse gases.

FORBES

Cairo time and protesters breached the wall about 2 hours later.

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When we turned the corner, the students in the lab had basically formed a wall about 10-12 feet away from us, with cell phone cameras at the ready.

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