长半径

Moon 月球 Do you have any idea how big the moon is? 你知道月球有多大吗? The moon's radius is 1737 kilometers. 月球的半径长1737千米。 This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。 The d

发表于:2019-01-10 / 阅读(44) / 评论(0) 分类 与美国小学生一起学英文第4册

Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s

发表于:2019-01-26 / 阅读(95) / 评论(0) 分类 阅读空间

Apple resisted licensing out the Macintosh operating system until 1994, 苹果一直拒绝把麦金塔的操作系统授权出去,直到1994年, when CEO Michael Spindler allowed two small companies, Power Computing and Radius, to make Macintosh

发表于:2019-02-15 / 阅读(44) / 评论(0) 分类 乔布斯传

【英文原文】 Like all stars, the sun is basically a giant nuclear reactor that burns hydrogen to create energy. But like any reactor, the sun needs fuel to keep going. Its been going strong for around four-point-five billion years, and will pro

发表于:2019-02-16 / 阅读(148) / 评论(0) 分类 英语听力广播—Listening

So Long, Sun 再见了,太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die

发表于:2019-02-16 / 阅读(45) / 评论(0) 分类 英语听力文摘 English Digest

Beijing expects to implement the pre-commercial service of the 5th generation mobile networks, or 5G, in key locations by 2020, according to a development plan on big data and cloud computing released by the municipal government. 北京市政府近日发

发表于:2019-02-18 / 阅读(79) / 评论(0) 分类 英语新闻
学英语单词
abrasive grain holding force
account of treasury
acyl derivative
adiabatic flame temperature
aewha
alkali proof
apropriations status report
artificial temperature factor
auxiliary seat
Ball Ground
balletti (italy)
beam distance
Biota orientalis
breakage proof
cabotegravir
Central Chamber of Commerce of Finland
Ceratobasidiaceae
chinese character input program
civic journalism movement
commitment-phobes
common-ion effect
complex beam parameter
domino off-line services
dotterel
doubly-connected
duranusite
ear snapping unit
ecological balance sheet
elementary rheology
exonucleolytic
floating point constant
fluid technology
frame synchronization control
front bottom
front roll stabilizer
gastronom
gear wheel pump
glazed pig
GMILFs
grape-stone
hasslock
HCSHT
hook phototransiustor
hydroxyl groups
Ichthysalle
identification receiver
intestacies
iosarcol
iridostaphyloma
Kushigata
lays low
light tender
local dimming
longlisting
low frequency connector
LTON
lusers
maelzel metronome
main generating set
maxi decoy
Morie frings technique
mycoplasmic
N-Methyldiethanolamine
Ni-Vanuatu
nonqueueing
not a delivery
passion of the christ
paste lubricant
petrographic classification
phagostimulants
photographs of progress
polt foot
positioning NC
postpedes
principal sum secured by a mortgage
processor interface module
R-joining
ratio of channel cross section to vessel's wet cross section
recrowning
rejustifies
research council
ruby cylinder
rutilius
salt precipitation
selenothrips rubrocinctus
semi-dried salted fish
semiotician
singleneedlemonitor
snap sb up
social impact of invention
sowing chart
standard shipment
Super System Info
Synanceja
telemetry network
thermal anti-icing
three level solid state quantum amplifier
twice as less
utriform
whohad
zarthen dam
zigzag contactor