Unlike the multitude of elixirs being touted as the latest anti-aging cure, CR mimetics would alter fundamental processes that underlie aging.

与众多被吹捧为最新抗衰老疗法的长生不老药不同，CR 模拟剂将改变构成衰老基础的基本过程。

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Unlike high altitude aircraft, helicopters aren't so vulnerable to being seen by radar, as they fly low and are often hidden by the terrain. The big issue is the sound.

与在高空飞行的飞机不同，直升机不容易被雷达发现，因为它的飞行高度较低，且常常被地形所隐藏，因此最大的问题是噪音。

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As Buechner put it when the sculpture garden was inaugurated: "Unlike the disappearing city represented in this garden, our city is being extruded, rolled out and poured into blank-faced forms."

布埃赫纳在雕塑园的揭幕仪式上如此形容他所处的时代：“这个展厅中所代表的是那个逝去的城市，我们的城市不再是那种样子，它被挤压、被碾平、被泼进无数没有脸孔的结构。”

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In Syria, unlike places such as Pakistan and Somalia, the jihadists are being backed by Britain and its allies.

BBC: Newspaper review: Press react to new Pope Francis

And unlike its member states the EU as a union is bad at realpolitik, being a slow-moving bureaucracy based on rules and legal texts.

ECONOMIST: Charlemagne