立平堵

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(65) / 评论(0) 分类 2017年Scientific American(九)月

短文回顾:The Spring Couplet, also called couplet ora pair of antithetical phrases is a special form of literature in China. The Spring Couplet is composed of two antithetical sentences on both sides of the door and a horizontal scroll bearing a

发表于:2018-12-27 / 阅读(29) / 评论(0) 分类 英语早间课堂

Mendeleyev used a slightly different approach, placing his elements into groups of seven, but employed fundamentally the same principle. Suddenly the idea seemed brilliant and wondrously perceptive. Because the properties repeated themselves periodic

发表于:2019-01-29 / 阅读(29) / 评论(0) 分类 万物简史

Insects Donate DNA to Unrelated Bugs 昆虫捐献DNA给无关的虫类 You can thank your parents for your DNA. Because humans share genes through sexual reproduction, passing DNA from parent to child. It's known as the 'vertical transfer' of DNA. No

发表于:2019-02-13 / 阅读(32) / 评论(0) 分类 2018年科学美国人2月

汉字是由笔画构成的。笔画是书写工具在书写面上的运动,大概有三十种不同类型,有些是基本笔画,有些是复杂笔画。笔画对学习汉字以及书法都有重要作用。下面分别说明。注意,笔画的

发表于:2019-02-14 / 阅读(48) / 评论(0) 分类 英文语法词汇

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(38) / 评论(0) 分类 2018年科学美国人1月
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aceritannin
Ahlia
algieba
alica
alynda
amplitude-quantized control
at one's wits' end
automatic shuttle changing loom
Ayr, River
Balquhidder
biofuel cell
black jura
bombing simulator
brownish black
Buran Darat
bytes-per-second
cabbage bark
Carsphairn
chantarelles
chromosomal aberrations
chronic follicular gastritis
contrivings
copromotions
Cumetharol
deadmeats
deteiectability
detoxification
disc storage module
double-ups
dross content
electron-stopping power
emptiers
encephalomeningitis
enmuffles
felderstruktur
Ferdinand I
geometric graphics content architecture
Grattan, Henry
Hamlin, Hannibal
Haplosphaera
harum-scarum
herder area
high velocity forging machine
homopolymerisation
hot power torpedo
ICBD
implementation methods
import quotas system
indicatrix
infiltree
inform
inhumations
inquiring party
inscient
Inspection Certificate of Weight or Quantity
long-term expenditures
lot-size replenishment system
madbrains
magetic motive force (mmf)
mail payment
Monrovian
motor capacity
musculi extremitatis inferioris
natural glass
neutrophilic granulocyte band form
nigromancien
ninpo
nuclear physics at intermediate energy
nuclear potential en-ergy
operation policy
organizational boundaries
oryzopsis miliaceas
P-R interval
parametrizations
Parian marble
Parke
pebes
pigment precursor
planteose
Polle syndrome
Pontonx-sur-l'Adour
postbox
pressed liquor
put a good face on sth.
qfii
Radio communication.
relessor
reponsible
semi-automatic quantitative sampling
semi-matrix
seremon
sinking tipple
supplementary pump
synchrology
syncwords
trabuco
Tumbwe
unbounded intervals
uranium-bearing material
vice-god
void relay
XML Schema