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(104) / 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(165) / 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(143) / 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(167) / 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(120) / 评论(0) 分类 英国学生科学读本
学英语单词
air activated gravity conveyer
altered stress
amoena
anatids
application definition
ate humble pie
automatic transition control
balance reading
Balkano-
bell lyre
binary-vapor engine
bishel
bloody-handedness
boesels
cable plane
calibrating signal
Campylotropis rockii
centre round
climbing nightshades
coast mountainss
coldjunction
colony forming unit
congesting of oil
Coolidge Dam
Crookes, Sir William
curcuma pallida lour.
Dashtjerd-e Bālā
dropple
excited field loudspeaker
flight path slope
Focalin
fracturing pipeline truck
gaw
gnashes
groove weld
heat stretch zone
high-altitude equipment
homology sphere
horse-pond
in ventre sa mere
jadomycin
Kettering, Charles Franklin
Kitumbeine
knows the score
lance cutting
landing craft utility (lcu)
law-as-action
light weight chip
limit equilibrium analysis
local background
Lovastain
lseo
Lubi
ma'ad
majumdar
merzel
misinstruct
mixture612
molebut
nail sb down
nervi vaginales
neurode
nontrivial grammar
Notandron-depot
Novomikhaylovka
opposite planting
peak body
phase resolver
phenylephrine hydrochloride solution
phrase in
plate chain
pre-anaphoral
primary closure
pycnomorphous
railway interests
Regio lumbaris
rosefield
schuastapolka (austria)
screw conveyor trough
simmers
skew coordinates
small computer system interfaces
stokke
technical composition of capital
the issuing bank
three-coil generator
thyse
tool carrier chassis
tore back
tussapax
under hot pursuit
unremittant
venereums
vibratile corpuscule
voice-operated transmitter
wahono
watchwoman
water missile
widemouth container
wishlist
work
yshone