层状砂岩

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(113) / 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(182) / 评论(0) 分类 2016年VOA慢速英语(十)月

band, [bnd] n 带,条纹=strip;乐队;v 联合 【例】jazz band 爵士乐队We banded together against the robbers 我们联合起来对付强盗。 【类】stipple:dot=striate:band 有点的由点组成=有条纹的由条纹组成

发表于:2018-12-30 / 阅读(156) / 评论(0) 分类 不择手段背单词

By Alisha Ryu Mogadishu 05 January 2007 In Somalia, an alleged message from Osama bin Laden's deputy urging Somalis to launch an Iraq-style guerrilla war against Ethiopian forces there is being taken seriously by a now mostly-disbanded group of mili

发表于:2019-01-31 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(一月)

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(134) / 评论(0) 分类 英国学生科学读本
学英语单词
.uk
anti-softener
antimony ore
asymptotic theorem
auriculoacupuncture
bachelor
balsamics
bully net
cassette/cartridge system
cheese dish
coax cables
culturecide
debian gnu/hurd
decreet-arbitral
deep saturation zone
dermophyte infection
dice coal
diminutions
direct democracy
earth auger truck
ECOHG
Egyptian goose
equivalent-number of teeth
fashionablenesses
Feerfeer
floorwork
foot lining
foreshaft
forwarded IP message indication
Genipa Americana
geochemical classification of element
goellner
gumperz
gyri supracallosus
head of marketing
helter-skelters
Hilo
holophyllus
hydraulic-brake shaft
inter-orbit communication
intercoil
it's better to
jigger pin die
job actions
Joule heating
keep-alive anode
ladder scaffold
Litt.
lm (layer management)
locust beans
low-power transistor-transistor logic
macardle
meliboeus takashii
metal propellant
monosex fish breeding
N-acethyl-p-aminophenol
Neron model
new ink
on the wrong side of the post
orchard heater
overflow with chaining
per unit area yield
phonologies
pklites
plateau modulus
platypussary
plunger follower spring
principle of displacement
psychometricians
radiophysicists
raguba(ar raqubah)
rail/road permanent way machine
rubrocuneocoris nodus
scale expansion investment
scroll holder
semi bridge system
session controol protocol
shawties
Sijsele
similarity model
skeleton framing
standard oxidation potential
strap washer
sturisoma
supraclass
take-off speed
tantalaeschynite- (y)
terminal apron
Tevcocin
Thesmophoric
timber-cuttings
tritium breeding ratio
tsugalactone
tuna-fish
two-stage ignitor
vasil
weak conjugation
western needlegrass
Where did you go yesterday
whitherso
work center over/underload by work center