钠铅玻璃

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(30) / 评论(0) 分类 英语听力文摘 English Digest

What Makes Windshield Glass So Tough? We tend to think of glass as fragilebut in fact, glass is pretty strong stuff. A flawless fiber of glass pulled lengthwise is five times stronger than steel! Although glass is quite strong, its also very brittlea

发表于:2018-12-31 / 阅读(38) / 评论(0) 分类 英语听力文摘 English Digest

At 2 a. m, Mrs. Culkin was convinced that she had heard a prowler in the living, room. Tiptoe down-stairs, she told her husband. Don' t turn on the lights. Sneak up him before he knows what's happeningDutifully Mr. Culkin put on his robe. Just as he

发表于:2019-01-07 / 阅读(62) / 评论(0) 分类 趣味英语

Topics: Convenience stores, eating and drinking noises, colleague versus associate versus fellow, to sign in versus to sign off versus to sign on versus to sign up Words: slushees bulletproof glass armed robbery taboo to chomp to crunch to smack to w

发表于:2019-02-15 / 阅读(43) / 评论(0) 分类 美语听力 English Cafe

Glass Beaches 在佛罗里达州的罗德岱堡,当你欣赏美丽的海岸景色时,试想一下,你脚底下踩着的沙子在阳光下闪闪发光会是什么景象。如今,面对佛罗里达海岸遭到持续侵蚀的情况,布劳沃德县

发表于:2019-02-24 / 阅读(35) / 评论(0) 分类 英语听力文摘 English Digest

Airplane Contrails Have you ever seen a perfectly cloudless sky? Cloudlessthat isexcept for two or three long white lines smeared across the perfect blue sky by airplanes like smudges on a pane of glass. Why do airplanes sometimes leave contrails beh

发表于:2019-03-09 / 阅读(103) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abnormal soil
afterlooks
Albinus' muscle
alcorn
all in rate
alternate SC
annesl
Apovian
back end-to
basso continuos
berny
Besant
bird i. (aves i.)
blankneys
bush tea
calking side
campina (cimpina)
Canyonville
cathode layer method
chinny
chuanposhi
cloth print
cold feed extruder
Conocybe
constructed variable
contextually
cyanises
daffock
dangerous cargo anchorage
derived from
detached dowel
Diervilla sessilifolia
displacement-type fan
electromagnetic rocket
electronic range theodolite
enclosure bulkhead
error data analysis
European sea bass
evil spirit
first maxillae
flesh colour
full read pulse
function cost analysis
goal-orientation
guench frequency
hastenings
heat loss due to incomplete combustion
hemic murmur
hired culture
Holbein
incremental inductance
input-output process
inquiet
inspissates
inverted arc
Kachira, L.
knock-lem-down business
latebrosa
lever pick
light a fire under someone
linearity programming
Mahesāna
many-valley
meftis
merocrystalline
nash bargaining theory
nervi massetericus
of counsel
pancreatoenteric
paracymene
partial deposit method
pedal-dynamo
pedra
photofragments
playstation
podagrous
pultes
rat race circuit
revolving directional radio beacon
rockbridge
rusts out
sampling distributions
sampling scheme
ship's plan
show one's colours
single crystal
sludge formation
SMBXML
standard ethernet
suction tank
supradecompound
sustentable
Tigrinya
uniarticulate
uninductive
universal serial bus port
water softened and purified
wreathlet
writ-room
Xbot
Zaocys
zenithal equidistant projetion