The essential characteristics of the electromechanical keyboard have changed dramatically over the past 20 years, says David Hill, vice President of design at Lenovo.

联想公司的设计副总裁大卫·希尔表示，机电键盘的本质特性在过去20年大大改变了。

youdao

President Obama said lessons of the past had been learned.

奥巴马说，我们吸取了过去的一些教训。

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Over the past three years, many Israelis have told me that President George W. Bush was too good a friend of theirs.

过去的3年，许多以色列人告诉我说乔治·布什使他们非常好的朋友。

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In the past, this expression was used as an argument to re-elect a president, especially during a time when the country was at war.

VOA: special.2009.07.12

The speaker of Iran's parliament, All this iusses indicate the fact that the US president is pursuing the arrogant and dominating approach of the past but under the cover of public-deceiving gestures.

VOA: standard.2010.04.11

In a nationally televised address to hundreds of government officials and cultural elites in the Kremlin, Russian President Dmitri Medvedev said the prestige and well-being of Russia cannot forever rely on past achievements.

VOA: standard.2009.11.12

The list includes Bob Ryan, a past-president of the 14, 000-strong American Meteorological Society, who works for the local ABC outlet.

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He is Past-President of MaleSurvivor.org, the National Organization against Male Sexual Victimization and has been quoted widely in print, broadcast, and online media.

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Indeed, South Korea is already susceptible to destabilizing tactics as it copes with a fractured national assembly that assures President Roh only a plurality of support, a series of corruption charges against past leaders including former-President Chun, a small group of increasingly radicalized students, and an unrelenting North Korean threat.

CENTERFORSECURITYPOLICY: Center for Security Policy | Must History Repeat Itself? Congress Should Not Invite North Korean Aggression