薄层砂岩

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(93) / 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(151) / 评论(0) 分类 2016年VOA慢速英语(十)月

文本: Finally, a fish breaks for cover. It's what the sea lions have been waiting for. Crevices in the reef might seem to offer shelter. But that's no problem for the sea lions, who simply scare them out with bubbles. With the sea lions distracte

发表于:2019-01-21 / 阅读(102) / 评论(0) 分类 跟着英剧练发音

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(108) / 评论(0) 分类 英国学生科学读本
学英语单词
active depression
aerily
aesthesic
aiai
air-extractor
ampere-balance
an urgent message
angustia
appointed insurance agent
arthrifluent
audio selector panel
automated intelligence system
auxiliary body
barenboims
Bartholin's foramina
bathkeepers
boarded out
Bradford,Roard, (Whitney Wickliffe)
calcifcation
cardiechema
Cathaya argyrophylla
cellular insulant material
clay-coated
claye
cobantril
comprehensive schools
cone-nosed bug
coolant radioactivity
credo quia absurdum est
cut one's eye
cuttings-in
D-chalcose
dead-nip stopper
dicot families
Ecoles
exploitation value
family caeciliidaes
Ferro-actinolite
ferrocyanic acid
fibrillar entanglement
fishtailing
Fit-1M
fixed-costs
fixed-target
footgolf
freehold possession
gas meters
gel layer
give someone a cold brush
Given the day that's in it
glanders
goin' out
gospodar
grovel to
halftones
hand in glove with
herrle
Hoffmann's tests
increase of supply
indicated interest
inquering
issue market
jute bag marking ink
keep abreast with
microwave ablation
multiracializes
musculus rectus capitis ventralis
mysap.com
necessary parties
non-believer
nonharmony
oil well shooting
optimal polygon triangulation problem
pickings
pollinar
potassium bromides
primaries
Pseudodigitoxin
purulent itch
ramming machine
rotary-dump car
San Casciano dei Bagni
shardeen
simple enzyme
singeing frame
slip plane
slowche
sludgemakers
stream-lined
studio easel
subgenres
subminorities
supercritical pressure steam turbine
supply management
Syncalathium qinghaiense
time optimal steering
Tmesipteris
toxicologists
transactionally
transverse impression
two-axle tipper
ULONE