Respiration is difficult at great heights.

在很高的高原上呼吸很困难。

youdao

The oxygen poor air at great heights causes a person's heart to work extra hard.

高山的缺氧常常会引起人们工作额外的辛苦。

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This is great; no more absolute font sizes appearing at (strangely) different pixel heights on different browsers.

这很棒，不会再有绝对字体大小在不同浏览器中以(奇怪的)不同像素高度显示了。

youdao

It is great to be here at the Columbia Heights Educational Campus. (Applause.) This is a beautiful facility, very impressive.

WHITEHOUSE: President's Council on Fitness, Sports & Nutrition

Lost in the turbulence is another institution, Coach Joe Paterno, who for decades led the Penn State Nittany Lions to great heights, and now, at a time when he should be basking in the glory of a successful career, he finds himself disgraced, shamed and dishonored by the very institution that held him in such high esteem.

FORBES: The Tornado at Penn State

So, again, I want to thank you all here at Columbia Heights for setting such a wonderful model, such a great example.

WHITEHOUSE: President's Council on Fitness, Sports & Nutrition