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
acerbas
acid-treatment
affiliated station
allo
anti-flammability agent
auberges
balanced pair
bicycle pumps
bountifull
Bradford City
brass button
bucket chain excavator
business income taxes
buttermilks
by sheer determination
cavatinas
class cephalopodas
coediting
colonial expansion
colored resist printing
container service port
contriturate
Coronoidectomy
craf
curative property
customer's credit balance
Dhola
diode NOR gate
dispersed acetate dyes
doesnae
draw-out track
dresseth
dry twisting
echidno-toxin
ejector type agitator
equal leg angles
flight level (fl)
foreign music
general length of service
Gogorron
gubble
heartlet
kinetid
kneifert
ligament of ovary
loading method
make it plain
mcandrews
melasol
mermithostratiotes
Miller, Glenn
minor intrusion
NHH
nonseismic region
onthophagus (serrophorus) sagittarius
overidealizes
parachute mitral valve
peat paraffin
pericaecal
pick up on
piezometric tube
POS, P.O.S
postheat
pressure-measuring instrument
propane tetracarboxylic acid
query header
radiation dose unit
rated differential head
rauti
revivificated
roastnear
rolled strip roofing
San Carlos de Bariloche
screch
security management system
seedling pot
self-refreshed dynamic memory
sheath-bonding transformer
shitting planks
sideband amplifier
silica geothermometer
simple insertion
single communication line
slip bones
Sphacelariales
Star'
sub-skill
symbiosome
Tannroda
terminal dispensing station
total parthenoge-nesis
travelling cathetometer
tread drive dental engine
trownsciown
two-position mode
typtology
unobscure
unprioritized
unqualified opinion report
upspin
vertical spacer
Waterloo ball