加斯唐砂岩

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(40) / 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

Acid 酸 Why does the lemon taste sour? 为什么柠檬的味道很酸? It is because of the acid in a lemon. 因为柠檬里有酸。 Then what is acid? 那么什么是酸? All substances with a sour taste are kinds of acid. 所有带酸味的物质

发表于:2019-01-10 / 阅读(54) / 评论(0) 分类 与美国小学生一起学英文第12册

BEIJING, May 13 (Xinhuanet) - Belgium's border city of Maaseik has opened an exhibition of about 200 relics and treasures of the Tang Dynasty (AD 618-907), showcasing China's golden age of ancient civilization. The exhibition, which opened Friday, co

发表于:2019-02-07 / 阅读(73) / 评论(0) 分类 英语新闻

RACHEL MARTIN, HOST: Even with all the VA clinics and hospitals, that $180 billion budget for the U.S. Department of Veterans Affairs, even with all those resources, the day-in-and-day-out care of disabled veterans often falls to their own family mem

发表于:2019-02-13 / 阅读(59) / 评论(0) 分类 2017年NPR美国国家公共电台4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
学英语单词
acoustical technology
ADPRT
air-filled waveguide
All Souls' Day
allochory
anti-corrosive grease
antie
arm-long
astroites
Caifuche
catastrophical
cestrum diurnums
clarified molasses
competitive enzyme inhibition
convex foot
cooler condenser
cordant
core capability
cost accounting procedures
cross index
cusped inclusion compound
dinosauric
distributing pipe
double-DES
dual gap rewrite head
elastic domain
electric pilot
electroplating system
eradicate the old and foster the new
Eriosolena
European oak
fabrication platform
farm working machinery
field budding
first-of-may
flexible probe
foreright
forhoared
fractional steps method
gaederopus
gaffi
glemp
goldwater
heat-treated steel track
Hettenhausen
increasing vertical
indicating scale
ioa
journeycake
Kahmard, Daryā-ye
keypuncher
Kovylkinskiy Rayon
leaf nodule
Leeroy
Leptodermis tomentella
long knife
major ridge
marsha
Metha-Colimycin
mosquito-fish
Naira, Pulau
non operating assets
northen
Nypa
oligodendroglial
patch boardless computer
pediadontia
Perambur
personness
polycystosis
polyhelicene
post-challenger
radial clearance
reserve against loss
seven place logarithms
sheep-liker
siles
slips out
Spiraea arcuata
stepper piston
sternogoiometer
storage and transportation conditions
strainer core gate
substitutio vulgaris
synchroized operation
taurotragus oryxes
thin target
third-party soft ware
to a zeroth approximation
TPHBNA
traube murmur
trepak
twin lens reflex camera
tyre-marks
undisturbed Newtonian viscosity
unimpressionableness
uninteresting peak
vehicle-emissions
very-high-level language
vest with
waist iron
Wates