Americans Remember September 11, 2001
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On the morning of September 11, 2001, terrorists connected to al-Qaida hijacked four passenger airplanes. They flew two of them into the World Trade Center, known as the "Twin Towers," in New York City and another into the Pentagon building in Arlington, Virginia.
The Pentagon is the headquarters of the U.S. Department of Defense, across the Potomac River from Washington, D.C.
Just a few minutes later, passengers on the fourth airplane took control from hijackers and crashed their airplane into a field in Shanksville, Pennsylvania. The plane was thought to be heading for Washington.
The attacks killed more than 3,000 people.
On Monday morning, President Donald Trump led a moment of silence at the White House and spoke at a memorial service at the Pentagon.
At the memorial service, Trump said "the terrorists who attacked us thought they could incite fear and weaken our spirit...But America cannot be weakened."
Vice President Mike Pence traveled to Shanksville in the state of Pennsylvania to attend a service there.
During the day, Twitter users wrote about September 11 using the hashtags #NeverForget and #September11. "World Trade Center" was also a trending topic.
Some people wrote about their own experiences that day. Others posted photos and videos of the memorials and memorial services.
A New York City police officer rang a bell where the Twin Towers once stood at 10:28 a.m. That is the time when one of the towers fell 16 years ago.
At the same time, sunlight brightened an atrium at the new World Trade Center. The building is designed to let a strip of light in at 10:28 a.m. each September 11. The feature is known as "The Oculus."
At the memorial, family members of the victims read their names out loud.
Sara Clarke is a journalist in Washington, D.C. She posted a photo of the memorial in Shanksville. She was in Pennsylvania on September 11 last year.
Recent U.S. Presidents Barack Obama, George W. Bush and Bill Clinton all used Twitter to recognize the anniversary of the attacks.
Bush called for remembering "lives stolen," Clinton called the rescue workers who helped save many lives that day "heroic" and Obama wrote: "No act of terror will ever change who we are."
And that's What's Trending Today.
I'm Dan Friedell.
1.connected to 与...有关
The dispute is not directly connected to the negotiations.
2.called for 呼吁
He described the situation as very dangerous and called for resolute action.
3.the rescue workers 救援人员
Some of the rescue workers and doctors were trapped under the ruins.
4.known as 被称为...
China has always been known as a land of propriety and righteousness.
1.The building is designed to let a strip of light in at 10:28 a.m. each September 11.
a strip of 一条；一束
China and Japan are close neighbours separated only by a strip of water.
Before the land reform my family hadn't a single room or a strip of land.
2.Just a few minutes later, passengers on the fourth airplane took control from hijackers and crashed their airplane into a field in Shanksville, Pennsylvania.
take control of 控制
I learned how to take control of it.
He failed in his attempt to take control of the company.
2001年9月11日上午，与基地组织有关的恐怖分子劫持了4架民航客机 。他们驾驶其中两架客机撞向纽约市的世贸中心——“双子塔”，另一架则直冲弗吉尼亚州阿灵顿县的五角大楼 。
几分钟后，第4架客机的乘客从劫机者手中夺回飞机控制权，该客机最终坠毁在宾夕法尼亚州香克斯维尔镇的野外 。据称，这架飞机原计划飞往华盛顿 。
当天，推特网友使用“铭记”和“911”标签纪念9月11日 。“世贸中心”也成为热门话题 。
一些网友回忆起了当天的经历 。还有网友发布了遗迹和纪念活动的照片及视频 。
同时，阳光照亮了新世贸中心的中庭 。每年9月11日上午10点28分，阳光会照入这座建筑 。这一设计被称为“大眼睛 。”
莎拉·克拉克（Sara Clarke）是华盛顿特区的一名记者 。她发布了一张香克斯维尔镇纪念仪式的照片 。去年的9月11日，她在宾夕法尼亚州 。
布什呼吁民众铭记那些“被偷走的生命 。”克林顿称，当天拯救无数生命的救援者们非常“英勇 。”而奥马巴写道：“恐怖袭击永远无法改变我们 。”