n. 【几】菱形

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(187) / 评论(0) 分类 国家地理2008年

今天我们要学的词是thumbs-up。 Thumbs-up, 是翘大拇指,表示满意和赞赏。 The movie got a thumbs-up from the critics, 这部影片得到了影评人的好评。 Her performance was given a thumbs-up by her coach, 她的表演得到了

发表于:2019-02-04 / 阅读(154) / 评论(0) 分类 英语单词荟萃

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(248) / 评论(0) 分类 自然百科2008年
学英语单词
acetyl-alpha-methylfentanyl
Adrian I
ankyrinB
area graph
boiler forced-circulating pump
cardiac concussion
centrifugal moisture of soil
ciliate parasite
co-content
convection temperature
cryostase
cum catcher
cutting finish for parts without drawing
decrement rate
dietary standard
digeridoo
dipentyl
disaffiliate
displacement phase transition
Erpel
extra high tension insulator
feather star
flatteners
floor clip
fooders
Foramen costotransversarium
fracture board
free space page
freyd
full grid swing
genus Lonas
give something one's best shot
gml delimiter
hajjah
heresiologists
heydt
hypercholesterolaemias
in disagreement with
in the sea
inlayers
integrogra
jennyc
khamseen
kilo
kinematic-coefficient of viscosity
lemon pips oil
leprarioid
loss measurement
low consumed
Maisonneuve's bandage
make that something
man-seat separation system
Marawah
maskant center
maximum gradability
mcilwain
Mercantile Marine Office
movement-oriented
Mozambican
multipolymers
Nisenan
Nuclear Test-Ban Treaty
object repository
objective-setting
on-line charging
onoclea orientalis
orbit-transfer vehicle
Padus velutina
pharmacometricians
photoelectric element
Pierce L.
pinmette
plunger link plate
prefer A to B
proportioning of waste
pseudocercospora fici-septicae
ptychopariids
regent bowerbird
right-and-left-hand core
rotary fluid machine
santylmethylether
scafe
sea-mists
seasonal index
serration hob
shifting berth
singing-master
skiagraphies
slide-caliper
soup bones
sug-
tensor-divergence theorem
tetraquetrous
the fifth column
tubelesses
tuck heigh
tunnel perimeter deflection
unswore
upgrade system
valenciennea wardii
Valros
zone of eventual death