单词：force per unit area
[网络] 面分布力；单位面积受力；单位面积的力
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In northern California, the winds were forecast to pick back up Wednesday, and there was no rain in sight. That could make things worse for the 8,000 firefighters trying to get a handle on the state's wildfires and that tens of thousands of people wh
CNN美国有线新闻2017年10月
by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t
数学英语
US Building Air Base for Drones in Niger The U.S. Air Force is getting close to completing a base in northern Niger for armed drones that will target militant groups operating in the area. 美国空军即将建在尼日尔北部建成无人机基地，
2018年VOA慢速英语(九)月
[00:01.11]第二课 [00:02.22]WORDS [00:03.36]单词 [00:04.49]finger [00:06.28]手指 [00:08.07]shoulder [00:10.00]肩膀 [00:11.94]leg [00:13.51]腿 [00:15.07]foot/feet [00:16.14]脚 [00:17.21]toe [00:19.30]脚趾 [00:21.39]knee [00:23.28]膝 [00:25.16]arm [00:2
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Section(B) The Ride of My Life I climbed into the back-seat of the world's hottest jet fighter, the F-16. Clouds hung over our airbase, but I knew that soon I would be above the clouds, where the sun was shining. A mechanic strapped me into my harnes
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Unit 10 Section A Pre-reading Activities First Listening Please listen to a short passage carefully and prepare to answer some questions. Second Listening Listen to the tape again. Then answer the fol
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Whats So Special About A Sharp Knife? Everyone knows that a sharp knife cuts better than a dull one, but do you know why, exactly? The purpose of the cutting edge of a knife is to concentrate the force thats being applied at the handle. When you push
英语听力文摘 English Digest
Pakistani Rizwana Hameed made history last month when she became the first woman chief of a male police station in Khyber Pukhtunkhwa province. The area is known for its conservative cultural and religious traditions. Women are rarely even permitted
2017年VOA慢速英语(八)月
As Egypt prepares for a presidential election, the country continues to struggle with security in the Sinai Peninsula. The election will take place from March 26 through March 28. President Abdel Fattah al-Sisi is expected to easily win a second term
2018年VOA慢速英语(三)月
US Defense Chief Urges Closer Ties with Brazil in Space Research United States Defense Secretary Jim Mattis spoke in Brazil Tuesday calling for closer ties with the country in defense issues and in space. Mattis urged military students in Rio de Jane
2018年VOA慢速英语(八)月
The African Union's peacekeeping force in Somalia has reached 50 percent of authorized strength for the first time, with more reinforcements expected soon. Africa Union peacekeepers man entrance to the presidential palace in the embattled Somalia ca
VOA标准英语2009年(三月)
Suspension bridges such as the Golden Gate Bridge and the Brooklyn Bridge are some of the most amazing structures on earth. These aesthetic and technological wonders span rivers, and other obstacles with enough strength to support endless streams of
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By Noel King Khartoum 02 September 2006 In Sudan's Darfur region, African Union officials and human rights observers say the government has begun shelling villages in volatile northern Darfur. The renewed violence follows reports of a government tro
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You say, strength is found in weakness Peace in incompleteness So why do I hold on? You look, For a heart that's open For beauty in the broken So why am I withdrawn? [pre-chorus:] My soul's screaming out To be found in You [chorus:] Spirit draw me to
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Iraq's Shi'ite paramilitary volunteer force says it's leading the campaign to drive the Islamic State from Anbar Province. But the operation's codename will do nothing to ease the fears of the area's Sunni population. Dubbed Labaik ya Hussein -- it's
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Tension is mounting again in Sudan's oil-rich region of Abyei, following complaints from south Sudanese officials that northern troops have not withdrawn from the area. According to an agreement signed last month, both armies were to fully withdraw
VOA标准英语2008年（七月）
Tension is mounting again in Sudan's oil-rich region of Abyei, following complaints from south Sudanese officials that northern troops have not withdrawn from the area. According to an agreement signed last month, both armies were to fully withdraw f
VOA双语新闻 2008年7月
The United Nations Security Council on Friday unanimously approved a new peacekeeping force for South Sudan, which marks its independence on Saturday. During a brief meeting, representatives of all 15 members of the Security Council raised their hand
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Two Australian special force soldiers have been wounded in a bomb blast in Afghanistan. The defense force says improvised explosive device was detonated during a patrol in Helmand province. Another coalition soldier and two soldiers from the Afghan a
澳洲ABC新闻快递2013年
Unit 140 Get a new slant on things Unit 140 用新的观点看事情 Some exercises are good for you because they're relaxing,and this is one of them.The only force operating here is gravity,the principle being to raise yoourur derriere and feet up o
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