二项式系数的生成函数

It's a bit of a cross of my arm. 一些手臂的交叉。 So all I'm doing is exploring this space of T and flashing through it with some action. 我在做的仅仅是探索T的空间,通过一些动作穿梭于这个空间。 I'm not remembering w

发表于:2018-12-19 / 阅读(58) / 评论(0) 分类 TED演讲教育篇

Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

发表于:2018-12-19 / 阅读(98) / 评论(0) 分类 Facts-事实

听广告学英语:RICHON Aficio Digital Multi-function System理光数码多功能系统 原文:Mary:Everybody calls me a multi-function secretary. One of her bosses (gives her a pad of paper):Mary, pick up this. Mary:Because I have to serve several bosses. Anothe

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 听广告学英语

Grammar Girl here. It's a rare bonus episode! Today's topics are generating story ideas and overcoming writers block. Matt from College Park wrote in saying that the podcast has helped his writing, and now his only problem is finding something to wri

发表于:2019-01-02 / 阅读(59) / 评论(0) 分类 英语语法 Grammar Girl

In a rural area in northern Yemen, many families with starving children have nothing to eat but the leaves of a local plant. They cook the leaves in water, creating a bitter, sharp-tasting green substance. International aid agencies have been surpris

发表于:2019-01-03 / 阅读(35) / 评论(0) 分类 2018年VOA慢速英语(九)月

LULU GARCIA-NAVARRO, HOST: Navajo leaders are scrambling to find a new owner for the West's largest coal-fired power plant, the Navajo Generating Station. For four decades, both the Hopi and Navajo tribes have relied heavily on jobs provided by the c

发表于:2019-01-17 / 阅读(52) / 评论(0) 分类 2018年NPR美国国家公共电台11月
学英语单词
abruptio placentarum
air charging test
Amazonism
Antonin Dvorak
asbestos blanket
ball and socket base
ben hechts
blended
center/centre of gravity
chemolithoautotrophy
clarirication point
cloud imagery
comfort humidity
comparative search
computerized system
continuous handling
contracture of fingers in children
daypack film
defederation
deformed dwarf
degree of mixing
dermotoxins
dharwar system
domestic ceramic
doob grass
doughish
enterostenosis
epiphysial
etymologies
Euler's characteristic
exponential integral
finitisations
flat-rate tariff
fleil
genus Aspalathus
gunwise
handclap
home robot
Hydrobates
ice cream social
ichthyoglyptus
incln
incorporated liability
International Tonnage Certificate
Issaquena
koor
lavender concrete
ledgeddoor
main bearing holding down bolt
mariculturist
Markit
melanocytoma of optic disc
minimum flow bypass valve
Muarapayang
Naumovka
Newman Grove
nicotinic acid hydrazide
nocona
normal block
numismarian
old ral
on both sides of the fence
optical impression
parameter
pentest
phonesis
pile chuck
Pinus wallichiana
pipe to
plin
preerected
process units
put sb in mind of sth
radiographic source
rapidity of changeover
real national income per capita
rocker joint
routine replacement of fuel elements
Samarinae
satellite launching vehicle (slv)
SDC
sell goods at high price
solid-drawn steel pipe
sommet
soyas
static correction
stereophonic image
technomic
teknonymy
text data
transplanting equipment
troop carrier operation
ultraplane microscope projection lens
underlying share
unialatus
v-curve characteristics
vacuum extensometer
vertical type evaporator
void distribution
voter
Zakamensk