[网络] 慢性阈剂量或浓度;慢性阈剂量和浓度

听遍美国之空难性新闻[4]:20th Anniversary of Mt. St. Helens Eruption Twenty years ago a massive(1) blast(2) sideways from Mount St. Helens vaporized(3) forests in five thousand degree heat, flattened(4) hundreds of miles of timberland, and killed 57

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 听遍美国

Sixty years ago today, two men reached the summit of Mt Everest, the highest mountain in the world. They were the first people to do this and return alive. The men were New Zealander Edmund Hillary and Tensing Norgay from Nepal. They were part of a B

发表于:2018-12-31 / 阅读(102) / 评论(0) 分类 新西兰英语

Three months ago, Mt Tongariro erupted, sending a cloud of ash into the sky. Today the same thing happened and it happened suddenly, without any early signs or noise. Again it sent a cloud of ash into the sky, about 5000m high. Listen to August 8th 2

发表于:2018-12-31 / 阅读(105) / 评论(0) 分类 新西兰英语

By Paul Sisco Washington 25 May 2007 Americans have a new real-life, adventure hero to talk about -- a California teen who has climbed the world's highest peaks with her father. VOA's Paul Sisco introduces us to her. Sir Edmund Hillary made the first

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(五月)

Joe DeCapua 23 March 2010 There are many, many reasons why we need to focus on (water) as an integral part of our livelihood as human beings and the livelihood of our brothers and sisters around the world. Monday was World Water Day, an annual event

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2010年(三月)

Last night Mt Hutt skifield was closed and about 1300 skiers had to spend the night on the floor of the lodge on the mountain. There is no sleeping accommodation on the mountain. Yesterday morning, the ski field opened as usual to skiers but by aroun

发表于:2019-02-03 / 阅读(190) / 评论(0) 分类 新西兰英语

By Paul Sisco 07 December 2007 The Mount Washington observatory in (the northeastern U.S. state of) New Hampshire is a non-profit, scientific and educational institution with a mission to advance understanding of the Earth's climate systems. It also

发表于:2019-02-03 / 阅读(111) / 评论(0) 分类 VOA常速英语2007年(十二月)

Two buildings burnt to the ground early yesterday morning at Whakapapa Ski field which is on Mt Ruapehu. People who were staying in huts on the mountain woke around 1am Saturday morning to see a red sky. Some thought that Mt Ruapehu was erupting agai

发表于:2019-02-04 / 阅读(73) / 评论(0) 分类 新西兰英语

When Helen Clark left Parliament, the Labour Party announced there would be a by-election in Mt Albert to find a replacement MP. Russell Norman, co-leader of the Green Party, and John Boscawen of the ACT Party both want to be the MP for Mt Albert. Th

发表于:2019-02-05 / 阅读(81) / 评论(0) 分类 新西兰英语

As expected, David Shearer of the Labour Party, won the Mt Albert by-election yesterday. He received 63% of the vote. This was 12,615 votes. Melissa Lee of the National Party received only 3,426, the Green Party candidate received 2,418 while the ACT

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 新西兰英语

The South Ridge on Aoraki Mt Cook has been re-named Hillary Ridge. This is to honour Sir Edmund Hillary who was in the group of four climbers who were first to climb along that ridge to the top the mountain in 1948. It took them 7 hours. Aoraki Mt Co

发表于:2019-02-25 / 阅读(125) / 评论(0) 分类 新西兰英语
学英语单词
a pair of forceps
absorption current of dielectric
accumulated register
acidify
Ahmad Shah Masoud
Anton's symptom
bearing (water) pressure booster pump
begonia coccinea ruiz
blackbead
bortnik
butadiazamide
calocoma
carpetgrass
carptnus viminea wall.
cephalinic acid
chance constraint
chlobenthiazone
clangiest
coarsely
collection on documents
conditional macro expansion
continuous rating permitting overload
Corneol
correlation(al) research
credit freeze
depreciated original cost
deviatoric state of stress
dmmp
Dorolt
dysdiemorrhysis
erizepine
ethyl ether-boron trifluoride complex
extruded expansion dehumidifier
feed pump discharge line
ferrated albuminic acid
floating decimal point
full-coat magnetic film
give someone their cards
gun down someone
hagopian
hard-labor
have no nerves
helenite
isothermal treatment
kamseen, kamsin
Kisarawe
knight of the Jemnay
laminated shim
leelanau
liquid in glass thermometer
Maldanidae
marginal accessory veins
medler
melogale moschata
mennell
merit-rating plan
meteorologic observation ship
microform anisotropy
monochromasia
MTD (maximum tolerated dose)
neoschisandrin
nipomo
Noachian epoch
off-cut
part-number
personnel expenditure
pink porcelain
pneumatic cloth feeder
polar zones
proliferative fibrosis
Queen Gull
radix liquiritiae
raise a family
reorganizable system
Richteria
sanatron
sarapes
scraptiid
semipalmation
Septoria miuraei
single-phase fault
snuff-bottle
socio-technical system school
symmetric configuration
synaptic remodeling
tail-lights
taslimi
teasy
tert.-butyl phenoxyl ethanol
thin-leaved stringybark
think shame
title guaranty company
Tonefjellet
trodden as upon eggs
unemployment compensation supplement
vapor pressure lowering
wet sand yard
Willbutamide
worm shaft and nut type
yaw stiffness
Yunnan piptanthus
zugloes