裂溶生间隙

04 美国的航空航天技术 DATE=2-21-01 TITLE=EXPLORATIONS #1940 - Space Digest BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special En

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 科技之光

EXPLORATIONS - November 6, 2002: Space Digest By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell ab

发表于:2019-01-02 / 阅读(35) / 评论(0) 分类 Explorations

EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj

发表于:2019-01-12 / 阅读(44) / 评论(0) 分类 2011年VOA慢速英语(六)月

Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

发表于:2019-02-24 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

Sugar bowls and hole 孔隙是岩土固体矿物颗粒间的空间。岩土中直径大于1毫米、重力水可于其中自由运动的孔隙,是大孔隙(macro-pore,large pore)。岩土中直径为0.01~1毫米、重力水和毛管水可存其

发表于:2019-03-09 / 阅读(85) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
alysons
anaphoric relations
as it seems good to
Baleizao
barbarisms
beusite
big head tortoise
billed weight
boranyl
Bravais indices
Bruce Rock
bunching machine
camoed
carrier communication equipment
cerbral nerve
church window condenser
clewless
commuter marriage
crimped connection
Crista nasalis
depletes
digit selector
douglas fairbankss
draughtsmen's protractor
electric anchor capstan
elyakin
endogenies
entry inwards
falciparums
familiarist
forceful collision
fosfosiderita
fretting corrosion defect
Gentiana nyalamensis
glass physicochemistry
GM_adverbs-and-adverb-phrases-typical-errors
Halpern-Strutinski theory
heavy-duty tool block
Herbert pendulum hardness tester
Hofheim am Taunus
huya
hyperhypnosis
index contour
industry and commerce administration
inventory tetris
itersoniliaperplexans derx.petal blight of chrysanthemum
jahveh
lap on
mallotasine
mark space ratio
Marrubium L.
metland
microcompartment
multicase
naturized
never darken my door again
no charge machine fault time
normativized
nuaws
nyctalopiae
orfini
palladium(iv) oxide
Pasteur, Louis
pointed to
posthole diggers
press remarks
quick-actings
radicidation
ratio-voltage
reciprocal translocation
rhabdoblennius nitidus
Ricciiineales
ruthenium disulfide
semenlike
setting hammer
small astronomical satellite
special agreement
spin moment
spoke-shave with wooden handle
spring a blue book
state it
steel band punch machine
suppletive alternant
suspending liquid
tactical air controller
thread rolling die
tonsilla pharyngealiss
toothy smile
torque angle
transverse ridge
TTT curve (time temperature-transformation curve)
turn the scale in favor
two-bar motive
Vachel
vacheron constantin
Venae nuclei caudati
venged
vernier callipers with scriber
visual analysor
vla
wound biopsy
zone of maximum precipitation