时间:2019-01-02 作者:英语课 分类:60秒科学


英语课

Mmm, sticky rice. It’s a glutinous 1 side dish that’s perfect for practicing your chopstick skills, for sopping 2 up curry 3 sauce and, amazingly, for building really strong pagodas 4.


The Chinese have been building with mortar 5 made from sticky rice and limestone 6 since the time of the Ming Dynasty. Now scientists have figured out this ancient secret, in a study in the journal Accounts of Chemical Research.


Mud is probably the oldest mortar used to hold together bricks or stones. About 5,000 years ago, China started producing lime for construction. At least 1,500 years ago Chinese masons discovered that mixing in sticky rice soup makes lime even stronger.


Some tombs and city walls that were reinforced with the stuff are still standing 7. They’ve survived earthquakes and even modern bulldozers. The key, say the chemists, is amylopectin, a component 8 of starch 9 that interacts with the calcium 10 carbonate in limestone to form a mortar that’s more water-resistant and less prone 11 to shrinkage than lime mortar alone.


And that’s true even today. In 2006 traditional sticky rice mortar was used to restore the Shouchang bridge, built some eight centuries ago. Because even for an ancient stone bridge, sometimes sticky rice hits the spot

 



adj.粘的,胶状的
  • The sauce was glutinous and tasted artificial.这种酱有些黏,尝起来不是非常地道。
  • The coat covering the soft candies is made from glutinous rice.包裹软糖的江米纸是由糯米做成的。
n.咖哩粉,咖哩饭菜;v.用咖哩粉调味,用马栉梳,制革
  • Rice makes an excellent complement to a curry dish.有咖喱的菜配米饭最棒。
  • Add a teaspoonful of curry powder.加一茶匙咖喱粉。
塔,宝塔( pagoda的名词复数 )
  • A dream is more romantic than scarlet pagodas by a silver sea. 梦中的风光比银白海洋旁边绯红的宝塔更加旖旎艳丽。
  • Tabinshwehti placed new spires on the chief Mon pagodas. 莽瑞体在孟人的主要佛塔上加建了新的塔顶。
n.灰浆,灰泥;迫击炮;v.把…用灰浆涂接合
  • The mason flushed the joint with mortar.泥工用灰浆把接缝处嵌平。
  • The sound of mortar fire seemed to be closing in.迫击炮的吼声似乎正在逼近。
n.石灰石
  • Limestone is often used in building construction.石灰岩常用于建筑。
  • Cement is made from limestone.水泥是由石灰石制成的。
n.持续,地位;adj.永久的,不动的,直立的,不流动的
  • After the earthquake only a few houses were left standing.地震过后只有几幢房屋还立着。
  • They're standing out against any change in the law.他们坚决反对对法律做任何修改。
n.组成部分,成分,元件;adj.组成的,合成的
  • Each component is carefully checked before assembly.每个零件在装配前都经过仔细检查。
  • Blade and handle are the component parts of a knife.刀身和刀柄是一把刀的组成部分。
n.淀粉;vt.给...上浆
  • Corn starch is used as a thickener in stews.玉米淀粉在炖煮菜肴中被用作增稠剂。
  • I think there's too much starch in their diet.我看是他们的饮食里淀粉太多了。
n.钙(化学符号Ca)
  • We need calcium to make bones.我们需要钙来壮骨。
  • Calcium is found most abundantly in milk.奶含钙最丰富。
adj.(to)易于…的,很可能…的;俯卧的
  • Some people are prone to jump to hasty conclusions.有些人往往作出轻率的结论。
  • He is prone to lose his temper when people disagree with him.人家一不同意他的意见,他就发脾气。
标签: 建筑物 粘糯米
学英语单词
Abies dayuanensis
aboukir
acetylalisol
acoustic navigation system
acoustical insulation board
alkyl metal
all-against-all
anthracology
anti-deteriorant
betwist-mountain
Bilečko Jezero
biological oceanography
birth-control campaigners
bloodworks
boom mic
bucket blade
Cai Lay
casadei
cheapener
checkrows
Classic Triad
coated bulb
Copsychus
crohn's
cubed
Cutaneo
daisy chained priority mechanism
delivering information
electro-deposit copper
english-based
febris recurrens europaea
flux monitors
gallery kiln
Gaussian equation
genus Gavia
Glengarry Ra.
go to school to sb
hamart-
highest possible key value
irenina hydrangeae
isoetid
Kampinda
land use survey
lead splash condenser
limit register
Lionel Hampton
log-lin
low-lying placenta
mean volume diameter
membrane modulus
metalepses
methyl n-undecyl ketone
methymethacrylate
mid-parent
mist-detection instrument
msstic tests
multi-stage method of washing
natural exhaust
new jack swing
Noikohis
nozzle tube lever block
nun's cloth
offset bulb
oncurable
one-piece casting
open wire link
orthographers
overrulest
Passive portfolio
paste reactor
peak temperature
pervestigation
photorelay
physical distancemeter
pinus longaevas
porphyry shell
precision measurement
preconsign
premixed gas
pulls
ranajit
reference fringe
relieve sb of
Rhododendron megeratum
rivieras
rr. musculares (n. femoralis)
Salfit
saline diuretic
scintillation decay time
silver(II) oxide
soft toys
starvation of processes
steam trap (upright bucket type)
Stegi
Stromatoporoidea
thallations
transparent electrode
triggered response
universal electron microscope
war machines
Warmeriville
Wellerellacea