血液血红素含量

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(32) / 评论(0) 分类 2018年NPR美国国家公共电台2月

文本: Now, when you freeze vegetables at home,the results arent always that brilliant. This here is a bag of lettuce. Lovelyand healthy, and springy. Have a look what happens once you freeze it. Now thishas been frozen. Ive defrosted it. Its just

发表于:2018-12-26 / 阅读(30) / 评论(0) 分类 跟着英剧练发音

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 Scientific American(九)月

How Do Breathalyzers Work? If a police officer sees you driving in a reckless manner, chances are youll be pulled over and asked to breathe into a special machine that measures your blood alcohol content. But how can your breath reflect how much alco

发表于:2019-01-22 / 阅读(46) / 评论(0) 分类 英语时差8,16

Amoment of crime scene investigation Ya?l: Hi Don, what are you... Don: Shh! I'm watching my favorite TV police drama: Crime Lab! Y: Oh, cool. Hey, what's that guy doing? D: Y'know Ya?l, you do have the right to remain silent... Y: Why is he spraying

发表于:2019-02-15 / 阅读(38) / 评论(0) 分类 英语时差8,16

The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin

发表于:2019-03-06 / 阅读(170) / 评论(0) 分类 英语时差8,16
学英语单词
AC indication
Aconitum sessiliflorum
afro-colombian
air conditioning unit
air foil
apparent damage
be deprived of
befriender
bench-table
Brewster, Kap
calender rack
Camus
Casein-apatite
central bearing tracing d.
certificate of ship's survey
chamaesyce makinoi
chinkas
Choybalsan
citrate soluble phosphate
convex combination
crank-rocker mechanism
date-rapists
Della Robbia,Andrea
dermectasia
disruptive strength
dorsal groove
earth clamping machine
electric blackboard
electrochemical deburring machine
enteric abscess
epibiontic animal
experimental school
Fernandel
flat-surfaced screen
forearms discoid eczema
fuel-to-air ratio
guajillos
hold a conversation
How much do I owe you
HSR (historical data storage and retrieval)
indicters
input editing
isooctanol
koco
Kołbiel
kronbergers
ladle shand
law of international trade
legacy driver
lxxxviier
maledictions
marble enamel
margari
mary harris joness
mass spectrum analysis
maximum bending moment diagram
miguel primo de rivera
misconstrued
miseducated
multihole wire drawing machine
neocriticism
nonreduplicative
nucleus oculomotorius accessorius
on the table
on the wall
parent enterprise
paybills
permeability profile
phytoembryology
pival(o)yl
proseys
pteropsid
radiculitides
recurrent decimal
reduced wave length
reflection polarizer
regional hydrogeography
reunitive
ribbon zone selector
second-stage annealing
Sherbro Str.
sheriff-depute
shudder to think
sialectasia
source funciton
spectrum utilization characteristics
spherocrystal
stationery store
Sulz
sweetening of sour distillates
Sétif, Wilaya de
tangent compass
tellies
the religious
the way out
unbaffled cylinder
Valvula semilunaris posterior
vivomycin
whitche
whone
Worsleya
yam families