氧气压力调节器钥匙

(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival

发表于:2018-12-05 / 阅读(58) / 评论(0) 分类 托福听力短文

EXPLORATIONS -April 3, 2002: Spacesuit History 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 a

发表于:2019-01-04 / 阅读(62) / 评论(0) 分类 Explorations

VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 医学英语

EXPLORATIONS - The Evolution of Spacesuits STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we tell about the special clothes astronauts wear that protect them while they

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2011年VOA慢速英语(四)月

When U.S. President Barrack Obama visited Turkey last month, he raised the plight of a small religious school of the Greek Orthodox Church. The Halki seminary was closed by the government in 1971, and despite intense pressure by the church and diplo

发表于:2019-01-13 / 阅读(36) / 评论(0) 分类 VOA标准英语2009年(五月)

By David McAlary Washington 16 May 2006 Long distance air travel can increase the risk of blood clots in the legs, a potentially fatal condition that has been known for more than half a century. Now B

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 2006年VOA标准英语(五月)
学英语单词
A lot Much water has passed beneath the bridges since.
achirality
adencarcinoma
aguey
alexsandr
alum whey
answer brief
Antalya Körfezi
artocarpus xanthocarpus
bandwidth product
Björsäter
bounding line
cast doubt on
catnappings
cecidopsylla spinosa
celsian feldspar
character-recognition system
crachotement
current-meter
custard-pies
customs procedure
defocused image
degenerative phenomena
doctored
dorsal ocellus
duckfoot bend
Elatostema umbellatum
enumerative algorithm
exploratory lumbotomy
false fusion
false pile
fayyad
federal loan agency
formalizability
free head room
Frenkel disorder
galactomannanpetide
gasfitting
genus ciconias
geranylgeranyltransferases
goods in process subsidiary ledger
hawkridges
high voltage annunciator
high-reflectivity
hooded
hormone secretion of carcinoid tumor
kayenta
La Ermita
Little Missenden
loc cit
local forms control
magnetic-pin transducer
marasque
matterhorns
motoneurone
movable relieving hook
nodular corneal degeneration
on-column detector
opt in favour of
optical reading equipment
oxaprozins
performance-bound
peritoneal autoplasty
photographic gun
photometrical paradox
piriform lobes
plumb-rule
pneumato-
program development cycle
Pākurigaon
radioactive department
rare earth deposits
recam
recycle synthesis gas
relative spectral directional reflectance
relief lines
renal endothelioma
resnicks
rudin
Röttenbach
second inversion
section draft
Semitic-speaking
shuffle off your mortal coil
Slīteres Rezervāts
soda lake
sodium soneryl
static loads
stiffing order
stitch-bonded camping cloth
sursum corda
Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu
test the water
timeball
tonsured
transistorizing
trapeziids
vacant look
vascular structures
vaunter
Voulx
xenidium