轨距内；轨间范围

大学英语四级考试巅峰 Track 23

[ar:] [al:] [by:] [00:01.83]Model Test Two [00:03.26]Section A [00:05.01]Directions: In this section, [00:08.95]you will hear 8 short conversations and 2 long conversations. [00:14.52]At the end of each conversation, [00:17.59]one or more questions w

发表于:2018-12-30 / 阅读(29) / 评论(0)

英语四级听力练习集锦

美联社新闻一分钟 2006-07-18

1. Due to the recent bombings in the Middle East, the U.S. Embassy has told Americans living in Lebanon that they need to have a single bag packed to be ready if they want to leave. A commercial ship

发表于:2019-01-08 / 阅读(108) / 评论(0)

美联社新闻一分钟2006

VOA标准英语2010年-Australian Company Develops Junk-Track

This handout illustration image created by Australia's Electro Optic Systems (EOS) aerospace company shows a view of the Earth from geostationary height depicting swarms of space debris in Low Earth Orbit (LEO), 20 Jul 2010 Australian researchers say

发表于:2019-01-13 / 阅读(45) / 评论(0)

VOA标准英语2010年(七)月

Tracking Outer Space Debris

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(64) / 评论(0)

世界各地新闻集锦

VOA标准英语2010年-Space Shuttle Endeavour Heads to Inter

Space Shuttle Endeavour lifts-off from the Kennedy Space Center at Cape Canaveral, Florida, 08 Feb 2010 The space shuttle Endeavour blasted off from NASA's Kennedy Space Center in the southeastern U.S. state of Florida before dawn, bound for the Inte

发表于:2019-02-02 / 阅读(37) / 评论(0)

VOA标准英语2010年(二月)

英语听力文摘 English Digest 140、儿童新闻

Hi there, I'm Ricky with the BBC World News for Children. It's Monday the 24th of May. Coming up: South Korea freezes trade with North Boy becomes youngest person to climb Everest and Inter Milan are crowned European champions But first - South Korea

发表于:2019-02-16 / 阅读(56) / 评论(0)

英语听力文摘 English Digest

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学英语单词

available pressure head in the consumer

axostylar granule

Bagnone

bare ice