拉布雷亚砂岩

The rock called sandstone is made up of a great many grains of sand. The beating of the rain on this rock washes the grains apart, and so the hard sandstone slowly changes into loose sand. 砂岩主要由大量沙粒组成。当雨水打下来的时候

发表于:2018-12-07 / 阅读(42) / 评论(0) 分类 英国学生科学读本

The Strange and Beautiful World of Arches National Park 犹他州拱门国家公园:奇怪而美丽的世界 This week on our national parks journey, we travel to Utah. The western state is home to several of the most popular national parks in Americ

发表于:2018-12-16 / 阅读(102) / 评论(0) 分类 2016年VOA慢速英语(十)月

EXPLORATIONS - A Sticky Black Hole of Ancient Death, Right in the Middle of Los AngelesBy Paul Thompson Broadcast: Wednesday, April 26, 2006 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And th

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 2006年慢速英语(四)月

EXPLORATIONS - La Brea Tar Pits By Paul Thompson Broadcast: Wednesday, March 10, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special Engl

发表于:2019-01-06 / 阅读(81) / 评论(0) 分类 Explorations

BOB DOUGHTY: I'm Bob Doughty. FAITH LAPIDUS: And I'm Faith Lapidus with EXPLORATIONS in VOA Special English. Today we tell about a scientific research area in the United States. It is filled with the remains of ancient animals. This unusual place is

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2010年VOA慢速英语(四)月

Lesson 50 Only A Stone 第50课 只是一块石头 What is the oldest thing you have seen? One boy thinks it is a church, for he has seen a date on one which tells that it was built hundreds of years ago. 小朋友,你见过的最古老的东西是什

发表于:2019-02-13 / 阅读(44) / 评论(0) 分类 英国学生科学读本
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(Britholite-(Y))
accumulator insulator
aeriotron
all-pair problem
Allen's loop test
alt wallmoden
angular semidiameter
anvil face
application of aerodynamic technology
ar riyad (riyadh)
Arguin, C.d'
Balling(scale)
barit.
blade profile drag coefficient
boimes
bottom fork
Boudiccan
busbar ring
cell-type magazine loom
Charworker
childur
chrome iron ore
computer theory
Conception Bay
correction member
database retrieval
derived works
dialing dial-up
dynamic metamorphism
emanium
emunct
endocon
Enteromonas hominis
flame stabilizator
flextimer
floor scattering
fresh and live goods transport
gammachirp
Gathas
hametag impact mill
Hardy-Weinberg equilibrium
hinged type entry guide
hofuf (al hufuf)
honkin'
implement lowering control
indirect gauging
instanteous dipole moment
iron iodide
japanese-aesthetics
kallikantzaroi
knives Liston's
ladder of success
lapping machines for valve-seat
living resources of the sea
long medial ligament
massara
Mulliken's electronegativity scale
multilevel control system
myeleukon
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obsessionist
P'yǒng-wǒn
pa hsien
papaconstantinou
Parbighite
Paulo, Riacho
peak of noise
photon annihilation
polaroid glass
polyphagous animal
postdam
primary protonema
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pyrrolidine-2-carboxylic acid
rediscoverers
rhamphomyia curicauda
rhapsodize
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sausagey
schuppenstruktur
secondary armament
ST_road-vehicles_cars
Staroye Slavkino
strain-optical equation
striae distensae
studiorum
take acid
Toynbee Hall
tracer controller
traditonal
tuftlet
turbin-
ultraminiaturization
uranium graphite lattice
vachette
variation of squares
vibration design chart
volition
voting paradox
West Chicago
WinPE