太阳黑子

And after a while a pattern emerged. 久而久之,人们就归纳出一个模式 If you observe sun spots over several years, 若连续观察太阳黑子好几年 they come and go with an about an eleven year cycle. 会发现它们约每隔11年会周

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 太阳科普

Sunspots 太阳黑子 Is every part of the sun equally hot? 太阳的各个部分都一样热吗? No, they aren't. Some parts are colder than other parts. 不是的。有些地方比其他地方冷。 How do we know that fact? 我们是如何知道这

发表于:2019-01-10 / 阅读(161) / 评论(0) 分类 与美国小学生一起学英文第10册

By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha

发表于:2019-02-04 / 阅读(152) / 评论(0) 分类 2006年VOA标准英语(三月)

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(247) / 评论(0) 分类 实用英语
学英语单词
A lot Much water has flown under the bridges since.
act a part in
actual load rate
archaeological research center
auxiliary potential functions
bank of standard cell
bleeding off
book-jackets
boring frame
built up magnet
Bulbophyllum linchianum
Ch'angdo-gun
chowmatistic
company agreement
cracking strip
creases
cushdy
declinal
degree of completion method
destructionists
direct current bias
dominant genetic disease
dry wing
evergreen broadleaved forest
ex stock dividend
exit status code
exterior heat and interior cold
federacy
flanged breather valve
food value
football around
fraternalisation
free tree enumeration
furnace cover
gas braden head
giada
glass frost
GTINs
h'mm
hard headedly
heimdals
hermalone
hexogen
homalium cochinchinensis
idling current
integrated optical modulator
intersocietal
KMNO4
Larsen's pile
lead sugar identification of fibre
local advancement and rotation flap transplantation
Machilus sichuanensis
manual manipulation
map language
matched shots
menloves
mindnumbing
Mn-Bi film
molybdenum washer
mother-of-emerald
motor court
necessitudinarian
nondeterministic model
Norup
notice day
Noxubee National Wildlife Refuge
on-axis stiffness
paraplegies
parcelforces
PG-3
photo-eyepiece
Pitlyar
pulsed fourier transform nuclear magnetic resonance spectrometer
rami duodenales
Ramus communicans fibularis
recbcs
rock hinds
rose concrete
safety-governor
sauce bercy
schumock
security for keeping the peace
seppo
silent run
Solandra
spinal anaesthetic
spun silk
submit operation
terseness
to try the engine
toinette
tracked hover
unclaimed
variskan granite
Villa Industrial
violet-flowered petunia
volume power
warp laid rope
wave pool
well-rooteds
wide-angle photographic system
window head