积分子数

number song 1, 2, 3, 4, 5, 6, 7 that's the way to start 8, 9, 10, 11, 12 you'll learn them all by heart 13, 14, 15, 16 they're the next along 17, 18, 19, 20 that's the number song 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

发表于:2018-11-29 / 阅读(148) / 评论(0) 分类 优美儿童英语歌曲

Now, back to the mole. Not that mole. 现在,回到摩尔,不是鼹鼠。 This mole. Yep, this number has a second name.The mole. 这个摩尔,没错,这个常数有另一个名字,摩尔. Chemists use the term mole to refer to the quantities

发表于:2018-12-18 / 阅读(37) / 评论(0) 分类 TED演讲教育篇

Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(51) / 评论(0) 分类 英语时差8,16

Science and Technology Cancer and obesity Malignant flab 科技 癌症与肥胖 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer than lean

发表于:2019-01-26 / 阅读(43) / 评论(0) 分类 经济学人科技系列

An unusual method for producing antibiotics may help to solve an urgent global problem: the rise in infections that resist treatment with commonly used drugs, and the lack of new antibiotics to replace ones that no longer work. 耐受常用药物治疗

发表于:2019-02-06 / 阅读(30) / 评论(0) 分类 阅读空间

What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上,我们感兴趣的部分并不是细菌会不会发光,而是细菌何时发光。 What we noticed is when the bacteria were alo

发表于:2019-03-04 / 阅读(99) / 评论(0) 分类 TED演讲教育篇
学英语单词
acriquine
air force isrs
alexieva
all-embracing agreement
bee-flower
bow crossing range
bring out the best in someone
brown spot
brunei dollars
buck-toothed
Caesalpinia L.
caesium clocks
calefactions
carbon isotope analysis
Cauer form
cesium iododibromide
charles a. lindberghs
christian charity
claw-and-ball
clissold
colmatage
colour-marks
Crampel
cucumovirus cucumber mosaic virus
deferred payments
diabase porphyry
diurnal period
eysel
eyther
fast panning
flying light
Fog Signal Emitter
geomagnetic anomaly
glycochemist
grantor underwritten note
halohiotic
heat stretching machine
Hexadrol
Hirakata
holding down catch
horizontal parboiling dryer
hydraulic disorder
hyperbolic fixed point
i-scheaued
in-winter
instanciation
interlocking linits
jamario
kaikyo
knee of the deck
knocking-out
lacquer tray
lact(o)-
lock station
m. latissimus dorsi
maseer
miostemonous
multilobar
multiple degree of freedom
neuropils
nicotiana longiflora cav.
non-absorbency
non-fault liability
nonindexed
nonthematizable
oil-cooled stator winding
painting the walls
pellet drums
personnel subsystem (ps)
pneumocystis pneumonia
pre-lubricate
PVNTMED
re-irradiation
recording pyrometer
redundant structure
reserve for bond redemption
return character
rocking arm
rosolio
rusticize
sampling by filtration
say hi to
senoes
share indexes
silk garments
solanoid cancer
somatina rosacea anaemica
SSF-109
tall oaks from little acorns grow
telegraphists
terminal printer
Togitu
tonuss
transfer from
transitoes
us -fashion
vary from place to place
well-intended
wharf surface
white fairy lanterns
working vehicle rate