扇形炮孔组;放射状环形钻孔

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(314) / 评论(0) 分类 超大质量黑洞

发表于:2018-12-13 / 阅读(90) / 评论(0) 分类 Wee Sing For Christmas

annoying 恼人的 at that moment 在那时 be at school 在上学 be at work 在上班 be dismayed 失望 dismay 失望,泄气 doorknob 门把手 finger 手指 get back to 回到 hang up 挂电话 mix 混合,拌和 pastry 面糊 persuade 说服,

发表于:2018-12-17 / 阅读(27) / 评论(0) 分类 新概念英语第二册单词MP3

[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting

发表于:2018-12-26 / 阅读(44) / 评论(0) 分类 温馨夜读II

[00:02.69]Module 5 ACTIVITIES [00:05.80]UNIT 1 I'm watering the new trees. [00:10.91]1 Listen and read. Then say. [00:14.84]I'm standing on the hill. [00:17.65]Some teachers and students [00:20.24]are walking up the hill. [00:22.48]They are carrying

发表于:2018-12-29 / 阅读(43) / 评论(0) 分类 外研社新标准初中英语七年级

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2016年(九月)
学英语单词
(lobus medius) (prostat?)
active beauty
all going well
Allen, Woody
allotropical
amblythyreus esakii
amphispyris reticulata
antibiotype
Barton, Elizabeth
begonia taiwaniana hay.
believe someone's bare word
Beneuron
blow table
Bodensee, Boden See
Boolean operators
break off negotiations
calimocho
camel's foot
center focus
chimings
Chippewa R.
commemorating
compaction
compressed-air bottle
confluent lysis
cylinder head pocket
delta check criteria
devisor
dial control
diploid animal
displacement graticule
elastic yarn
errorlevel
evidence generating authority
family Carangidae
Fijian language
forints
gametic imprinting
human interface
hypnophilous
in tandem
interpunctions
isotopic variable
jissoms
Kǔmch'ǒn-gun
lean meat percentage
local contraction
lock bar pipe
Lorbon
low pressure purge
Mangatarem
Marmota
Megen
microserf
miss a figure
MPEG4
multiple contact high-pressure molding machine
neuritides
no-par
oedipodid
oil-spill dispersant
Ormosia elliptica
oscillation direction indicator
overdraft protection
plant density
portable oxygen cylinder
Pybuthrin
radio communication for passenger service
recklessly caused loss
reconnaissance element
rerewards
resource management game
saint christopher and nevis(saint kitts and nevis)
salary and allowance
salt bond
saphenamycin
saturation depth
scansioning
self-empowerment
self-scattering
shipping package
sphero cylindrical lenticular
spity
spousal relationship
spritzed
standard blasting crater
steam pressure temperature reducer
Sternean
sulfatide
tarsal fracture
throw-crook
tinea of feet
transportation junction
trioxolane
tub plant
ultrasonic process
Union Lake
unit transformation
unmoving
white-flowered
woolfells
X-craft