They searched for germplasms that could keep plants from weakening and wilting during hot, dry summers in the United States.

VOA: special.2009.01.20

Remember Egypt had control of this area but their grasp was weakening with the flood of people coming in from the sea and other migrations Their hold was weakening and the Hebrews would have been able to take advantage of that and enter in and occupy areas in the central highlands.

记住埃及曾控制这一地区但是它的控制逐渐削弱,由于人们从海上涌入及来其他地方的移民,他们的控制逐渐削弱,希伯来人将会利用这一点,他们进入并且占领了中央的高地。

耶鲁公开课 - 旧约导论课程节选

The movement of businesses and people away from city centers led to the economic weakening of many downtown areas.

VOA: special.2010.01.11

But he also says his comments do not suggest a weakening of support for the security of those countries or other NATO members.

VOA: special.2009.03.07

His weakening health kept him away from the Senate in his final months.

VOA: special.2009.08.29

"We all know this country is bent on weakening and destroying the TFG, which is the legitimate government recognized by the United Nations."

VOA: standard.2009.08.20

Economists say India has bought gold to diversify its assets and hold fewer dollars at a time when the U.S.currency is weakening against other currencies.

VOA: standard.2009.11.06

International routes have become more profitable options for U.S.airlines struggling under a weakening domestic economy.

VOA: standard.2009.06.13

Authorities here have acknowledged that deforestation and unregulated development were responsible for weakening the soil and contributed to the mudslides from Messina's surrounding hills and cliffs.

VOA: standard.2009.10.03

Investors also fear the new administration will loosen fiscal policies, although EU nations from Greece to Britain are being forced to cut spending to shore-up Europe's weakening euro currency.

VOA: standard.2010.05.29