音标:['hi:liәgræf] ;
n. 日光反射信号器, 太阳摄影机, 日光仪
v. 用太阳摄影机拍摄, 用日光仪传递
n. an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
v. signal by means of a mirror and the using the sun's rays
词型变化:名词复数形式 : heliographs ; 现在分词 : heliographing ; 过去式 : heliographed ; 第三人称单数 : heliographs ; 过去分词 : heliographed

01Going Out of Business GLOSSARY to gobelly up to fail as a business; to have to close because a business is not earning enough money* The farm went belly up when it didnt rain enough for two summers in a row. to struggle to try very hard or for a ve

发表于:2018-12-03 / 阅读(109) / 评论(0) 分类 2008年ESL之商务英语

Graph Search的理念在于,以谷歌搜索引擎发掘互联网信息的方式,发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命:不仅帮助用户与已知的他人建立联系,还能成为一款发现工

发表于:2019-01-05 / 阅读(61) / 评论(0) 分类 英语新闻视频

By Deborah Block Washington, DC 23 May 2006 watch New Sunscreen report Sunscreen with helioplex A new ingredient in sunscreen is being called the most important advance in skin protection from the sun

发表于:2019-01-13 / 阅读(117) / 评论(0) 分类 2006年VOA标准英语(五月)

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2010年(十)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2014年(二月)

Julianne: Im really glad to be back in Macville. What happened to the market that used to be here? Helio: Oh, it went belly up . It struggled for many years. The owners tried to downsize and reduced the space they were renting, but they had to throw

发表于:2019-02-18 / 阅读(56) / 评论(0) 分类 地道美语播客
学英语单词
admeasurement of vessel
alium
apoptogene
arc modulation
at a distance of
aura epileptica
axile
background levels
bugaraches
buttonmaking
by-lines
Bφrglum
Caragana hololeuca
chronoscopy
combined tool
cutaneous angioma
diecasts
disk-type vibration mode
do the lot
dolerite
dot welding
double periodicity
dry magnetic particle
electronic paper display
EMI filter
farve
genuinest
gervase
Giannitsa
goede
goertzel
gonimoblast
gregary
hill slope debris
historical basis
historier
hypophysioprivic
interfacial layer
intergalactic bridge
International Shipping Federation
interspace dineric
it service management forum
jihadisms
klif
Kulat, Gunung
leave the gym
Ligularia rockiana
lipocalins
lorg
m.p.h.
mccashin
mean measuring depth
medical relation
method of immunization
missile geometry
Montaignian
month star-wheel
multi-protocol
neoliquriitin
non-uniform laser beam
nondescriptly
nonmoral
nonpolluters
open ser mark
osteoma
overswarming
Oxiconum
Pasteurellar pseudotuberoulosis
percent of early wood
Philadelphus caudatus
prison bitch
proving-ground facilities
pseudophylogenetic
pure logic
range switch
reptization
retinal scanner
reverse key shackle
rewords
Rhizidiomyces
Rubensian
Salmābād
Scandinavian architecture
SCLC
sclerosants
sheepflesh
shore-end cable
Simunjan
single nucleotide polymorphisms
South Moravia
spatial preference
standard engine rating
subword
target tracking radar
terminal control table
tool post screw
Topolinyy
Uinta formation
unify processor
unimitated
water-holding
weekly traffic pattern