菌落计数器

THIS IS AMERICA -March 4, 2002: The Lost Colony By Jill Moss . . . . . . . Broadcast: March 4, 2002 VOICE ONE: In Fifteen-Eighty -Seven, more than one-hundred men, women and children sailed from Brita

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 This is America

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(一)月

Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus. Roanoke Island is off the mid-Atlantic coast of the United States, in North Carolina. In fifteen eighty-seven, more than one hundred people arrived

发表于:2019-01-11 / 阅读(77) / 评论(0) 分类 VOA慢速英语2008年(八)月

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus. Roanoke Island is off the mid-Atlantic coast of the United States, in North Carolina. In fifteen eighty-seven, more than one hundred peo

发表于:2019-01-11 / 阅读(50) / 评论(0) 分类 VOA慢速英语2009年(八)月

Ⅳ. Counter Offers 还盘 If a buyer does not agree with any or some of the transaction terms of a quotation or a firm offer, he sends a counter-offer. In the counter-offer, the buyer may show his disagreement to the certain term or terms and state

发表于:2019-02-14 / 阅读(99) / 评论(0) 分类 实用英语
学英语单词
air hammer
ammonium-ferric cirtate
apertuer gap
arsy varsy
Awabakal
barandcake
biologic geology
boundary equations
broadleaf vetch
BSPT
Burt Lancaster
business material
button-off belt
cam group
change bank notes for coin
charactar
chromatographing
circular double stranded DNA
coarse aggregate
coiled macromolecule
colon blow
conservateur
corona loss
crooked mirror theatre (russia)
decimal filing
decrepitation
denudation surface
deutery
dihydroxy-propanone
diopside vogesite
discharge temperature of supercharger
domenick
double bevel split ring connector
duty-frees
electrical capacity
erotolalia
familyish
Federal Home Loan
femtolumen
finned tube reheater
Flinders I.
foundation seed
four-arm pickling machine
funic pulse
genus phegopteriss
gerakan
graphic mouse
guestling
harriette
Holargos
holographic filtering
hydrargyrl
hyperbolic transformation
isocrotyl
kaiju
larceny
lext
Ligamentum pulmonale
load acceptance test
lounge-lizard
low pressure casing spray
low water springs
lymph(o)-
machine tool fixture
metaphase arrest
meteorological observation station
mushroom haircuts
net layer
noisedamping
non-Gasussian light
nonfulfillment
one dwell motion
OR output
permeaable
Pāpa'ikou
radioactive waste repository
rated accuracy
rear arch
recession in demand
rete mirabile cerebrale
road-making
sardenian
sebcs
sentosa
shoreline feature
simultaneous death
steady-state boundary condition
stratified drift
straw mat finisher
stupefy
termite runway
thioaurite
thomasins
tileable
turn ons
two line clamshell
undestructively
universal times
vertical boring and turning machine
vortex hazard
Vypīn I.
whip