[化] 聚α-吡咯烷酮; 聚丁内酰胺; 尼龙-4

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(64) / 评论(0)

国家地理2008年

2006年VOA标准英语-Joint Project Seeks to Revitalize Kabul's Art C

By Michael Kohn Kabul 19 October 2006 Houses in Murad Khane that will be restored by the Turquoise Mountain Foundation The neighborhood of Murad Khane in Kabul's Old City was once a wealthy area of merchants and members of the royal family. But afte

发表于:2019-01-06 / 阅读(108) / 评论(0)

2006年VOA标准英语（十月）

2006年VOA标准英语-Somali Troops, Islamist Fighters Continue to Cl

By Cathy Majtenyi Nairobi 22 December 2006 In Somalia, Islamist fighters and government troops continue to battle each other near the government stronghold of Baidoa, with each side claiming to have killed hundreds of troops of the other side's. Cat

发表于:2019-01-12 / 阅读(70) / 评论(0)

2006年VOA标准英语（十二月）

美语听力 English Cafe 244

Topics: Ellis Island; The Rat Pack; lots of versus a lot of; sleep versus asleep, wake versus awake, rise versus arise; alpha male Words: immigration to undergo inspection unsanitary family tree pop culture desegregation impromptu to sell out to rule

发表于:2019-01-22 / 阅读(187) / 评论(0)

美语听力 English Cafe

AlphaGo背后的人脑

Lee Se-Dol is the world champion of Go, the ancient Chinese board game that is considered the worlds most complex. This week, the South Korean took on an artificially intelligent computer program called AlphaGo created by DeepMind, a British company

发表于:2019-02-17 / 阅读(108) / 评论(0)

阅读空间

李世石对弈AlphaGo扳回一局

Mark one up for man over the machine. The world champion of the ancient Chinese board game of Go has finally found a way to beat Googles AlphaGo computer, after losing three straight games last week. 这是人类战胜机器的时刻，世界围棋冠军

发表于:2019-02-18 / 阅读(53) / 评论(0)

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ASSET (Assessment of Safety Significant Event Team)

ataraxy

Bacillus foecalis alkaligenes

be dead beat

be out of your league

beta-hydroxyfentanyl

biarsyl