极控制,极变换控制

By Parke Brewer The women's pole vault provided one of the stirring dramas of the 2004 Olympic track and field competition. Until the mid 1990s, women's pole vault was not taken very seriously, mainly

发表于:2018-12-12 / 阅读(112) / 评论(0) 分类 VOA2004(下)--雅典奥运

Place an order,assemble, be placed in inventory, taken out of the inventory. F:What exactly happens at your hubs? M: First, a customer places an order,second, a computer is assembled.(使用一般现在时) F:the hub is doing the assembling. M: Thats right

发表于:2018-12-16 / 阅读(231) / 评论(0) 分类 VOA 商务英语

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today, ideas about the things we do in the present that could have troubling consequences in the future. But that doesn't mean we shouldn't look forward to the future. I me

发表于:2019-01-16 / 阅读(288) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Various animals evolved coloration that keeps them hidden. A jaguar's patterns help it slink undetected across the sun-dappled rainforest floor. The mottled pigmentation on the wings of some let them rest on tree bark undisturbed. And then there are

发表于:2019-01-20 / 阅读(105) / 评论(0) 分类 2016年Scientific American(九)月

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发表于:2019-02-09 / 阅读(209) / 评论(0) 分类 加州语文教材California Treasures G5

爱自己Learn how to relax when setbacks arise. 在遇到困难的时候要学会放松 We do not live in a perfect world. Some days are great; some days are not. 我们生活的环境并不会一直如意。有些天还不错,有些天却很糟糕。

发表于:2019-03-06 / 阅读(152) / 评论(0) 分类 英语听力广播—Listening
学英语单词
all over creation
alutaceus
asavol
Bactra
ballast master
binary information
bloodied up
Bothrops atrox
box-typed leg
bullhead tee
casing substitution
cathode excitation
cephalosporiosis
Cethern
cheque holder
CJSOTF
clasp reflex
complex organization
conjugate diametral plane
control by nozzle block
convey assembly port
cost-in-use
crimes of commission by omission
Cryptomerion
cutter external
DAB (display assigned bit)
degree of branching
double-drag-link linkage
embarge
endless melody
equivalent axis
exters
fairhursts
fancy chocolate
felonous
formule manipulation
gas lighting
genuflexuous
germ line
glaucophane-schist facies
haircare
halftimbered
harbour master
haustellates
hepar antimony
high-output and low-resistance shock
hoe-bags
hopper wagon
hot load test
inadvisabilities
jakubiak
keora
Kipinä
krynn
landing guidance system
lead dithiofuroate
Lysionotus serratus
maintenance machinery
Moores Mills
myxomecetes
natriuresis
near-magic nucleus
nemadectin
non aging treatment
order-preservings
ordn.
PHA-LCM
phobanthropy
pinky swear
radio-frequency tuner
reciprocating ram feeder
return the seals
sacralised
sales techniques
Schwann's tumor
scutellarioides
secondary-level
shobha
southern house mosquito
specific output
stabilized amplitude
storage protect bit
stretch oneself out
stunts
styryl carbinol
subaortic
technological trajectory
test analysis report
three cylinder frame bending machine
thyroid region
ticilimumab
titanosauriform
trap set
unequal crossover
Unguiculare
useful volume
vicus
washing house
water bottom event
water-mints
waukee
xylose-1-phosphate