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
acanthoidine
adjacent line
air-breather
ambiguohypoglossal
avoking
bestower
buffer reagent
buy-and-holds
catanator
caveling
chlordan
cost-reimbursement
de-activation
Deinotherioidea
democratic values
desoxypyridoxine
dexamethasones
diameter of working disk
diatonic auxiliary note
discretamine
domain magnetization
double-layer fluorescent screen
dropper plate of free grain
Drusze
dynamicize
editon
elbow equivalent
electrode-travel motor
embraced
endomycopsis hordel
Engler viscosimeter
fairwells
fang-likest
fawns on
federal radio act 1927
fling oneself into the breach
fluoroolefin
free-taking
general staff
grinding media charge
hachi
hard-fightings
Hatsukaichi
HRST
ignition of precipitate
inverse mercator
iodine trap
jM-factor
karhunen loeve transform (klt)
kemerer
laughing-eyed
liege poustie
light-alloy armo(u)r
Longué-Jumelles
lophocoronids
Louis Henri
market chaotic
multistage linear amplifier
Narfeyri
Ngoso
octuplex
optical fiber ribbons
organised-crimes
pass in a program
pelviroentgenography
photoelectrocatalytic reactor
phrenemphraxis
polar moments of inertia
portcullised
practice range
prevelar
primordisl endoderm cells
reave
Rectocillin
residual concentration
Riemann upper integral
rifle shot
safo
saltations
screw-tap
sebiferic acid
second anchor
short-lived asset
sleight-of-hand
sniol
sound-barriers
speed change control
stalk extractor
structurality
Tharrawaw
thirst bucket
thoughted
three-dimensional imaging
throw dust in someone's eyes
transnationally
unwed mother
vel non
voiced sounds
votes down
well-customed
wharfies
wrecking