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
agricultural labor
airtight inspecting hole
alkyl-mercury poisoning
aneusomatic
balance-spring chronometer
be in mesh
benodanil
besege
bone-ash cup
by ahair
chemical refining process
chocking winding
cinflumide
circumesophageal commissure
classmark
cleanest
cluster-based
communicating branches with facial nerve
computer-aided manufacturing system
condensation adiabat
continuous equilibrium vaporization
crackers
crossing system
delatinite (delatynite)
Delcozine
Dennis Head
DL-Lysine
dorsolateral groove
double diffuse density
drain source voltage
dripping oil range
efflux door
endaural
equity credit line
etherone
factorial development
foredosure
foul patch
fragmentate
frosted heart
gas burst
gaseous cyaniding
gear broaching
Geranium robertianum L.
granulofilocyte
H-type diesel engine
harbour-master
heading of moving vehicle
hole-particle interaction
hook plate
hypophyll
imidodipeptidases
inclined-catenary construction
Istro-Romanian
Kamitonda
knock ... socks off
Kozhim
LBP (lumped burnable poison)
lead-screw driving
leucocratic dyke
lopholatilus chamaeleonticepss
Lucina
media proprietor
meimuna iwasakii
meison
mesophytism
mesosternal epimera
neverendingly
nondementia
ordainest
orthomnium dilatatum (mitt.) chen
packed hydraulic support
pinmette
pirimiphos-ethyl
plagiosaurids
potassium fluorozirconate
prore
quick switch
radar guided track
reconaissance
rotation(white 1942)
sciennes
sealed type
segment cover
server system
sesquibasic
shuttering
skills-oriented
solid inclusion
souvlakis
stem vegetable
stoicheiometric
Stuffing Charges
sweeping away
sync insertion
syphilemia
taeniopsetta ocellata
trap-door one-way permutation
tunnel type annealing furnace
ultrasonic thickness gauge
Xylomelum
zpmc