v. 冬饲

RACHEL MARTIN, HOST: Today in Your Health, we're going to learn about the secrets of breast-feeding. Many women want to breast-feed and they try to, but only about half keep it up. It's like we have lost the instinct in some way. DAVID GREENE, HOST:

发表于:2018-12-18 / 阅读(43) / 评论(0) 分类 2017年NPR美国国家公共电台6月

SCIENCE IN THE NEWS -May 28, 2002: Breast-Feeding and Intelligence Linked? / Americans on the Internet / Design a Traveling AIDS Medical Center for Africa VOICE ONE: This is Sarah Long. VOICE TWO: And

发表于:2019-01-04 / 阅读(52) / 评论(0) 分类 科技之光

We usually think of evolution as something that happens over eons, in remote places where people rarely venture. Not something that happens around the backyard birdfeeder in just a few decades. But a study in the journal Current Biology suggests that

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 Scientific American(十二)月

[00:05.30]Lesson 85 1 Reading comprehension [00:12.88]Read the text fast to find answers to these questions. [00:19.54]1 How do honey bees communicate with each other? [00:25.60]2 What are they able to tell each other? [00:31.45]THE LANGUAGE OF HONEY

发表于:2019-01-10 / 阅读(204) / 评论(0) 分类 高中英语人教版高三

Mogadishu Feeding Centers Keep Thousands from Starvation Twice a day, crowds of hungry people line up outside feeding centers all across Mogadishu, holding a pan or a bucket to receive a hot meal. Anyone who shows up is fed. United Nations officials

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(五月)

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

发表于:2019-01-30 / 阅读(152) / 评论(0) 分类 60秒科学
学英语单词
Abrams' heart reflex
aceneuramic acid
aerospace research
affranchising
anterior lymph-heart
artificial corundum
atomic layer chemical vapor deposition
autumn dryness disease
backwards compliment
bear the market by selling
BlackBerry neck
book-club
campanel
cash day book
cesium chlorostannate
character of surface
Chilf
cholerigenous
clamp connector
closed venation
coagulated blood-serum
coffeic
common mode performance
Cowlitz County
croume
daphnella varicosa
decoloring
delebarre
determinant of order n
Dicaeidae
double toggle chuck
drape in
dual A-V nodal pathways
dual ramp ADC
duodenopylorectomy
dyton
et.al
ethmoid bones
euphrasia insignis wettstein var. japonica ohwi
Federal Water Pollution Control Act
felloe plate
field entry instruction control object
fleih
fossae retromandibularis
glandula angularis
grandmre
gray wedge method
Gymnoascaceae
harpiosquilla indica
have a dance
hematospherinemia
Hippoglossidae
hobeikas
idiopathic diseases
igniting charge
Insurance Assess
isonomous
jean-baptiste-camille
jump drive
Krapeu
lesser duckweed
let someone go in peace
lower ground floor
LPEV (low pressure extraction valve)
Lundur
machine technology
Mamaia
marginal seas
massanutten
merging event
Methylenedioxybenzyl
multi-jet turbine
non-porous chromiun plating
on ground that
pitch spread
population continuous growth model with time lag
product speed
pty
publishing firms
pyrometasomatism
reinforced concrete plate
Retortamonadida
rotating ball display device
sample generator
Soberano
solid die
solid tie-up
special greases
spring pols (norway)
stalactite vaulting
supposititiously
Tachyglossidae
Tau-Fluvalinate
Thermal pad
triennial cropping
tripterygium wilfordii hk.f.var.exesum spraque et takeda
trusteeship
tub-eight
uplifted bench
valve retainer lock
yolk sphere
Yunnanopilia longistaminea