虫青素

Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E

发表于:2018-12-07 / 阅读(37) / 评论(0) 分类 (科普英语)Earth and Sky

[00:00.00]Unit 3 Plants and us Lesson 9 [00:05.09]New word and expression [00:09.04]taste [00:10.51]v.品尝;吃起来 [00:11.99]either [00:14.21]也(不) [00:16.43]not...either [00:18.70]不...也不 [00:20.98](be)good for [00:22.80]对...有好

发表于:2018-12-10 / 阅读(78) / 评论(0) 分类 广州初中4A

[0:02.043]UNIT 2 Talking About Lessons [0:06.942]Lesson 6 What's an Insect? [0:09.963]Let's talk. [0:12.493]What are you doing? [0:13.932]Uh..., nothing. [0:16.289]I'm not [0:16.779]telling you. [0:18.024]Oh, please. [0:19.697]OK. It's a ladybug. [0:

发表于:2018-12-13 / 阅读(38) / 评论(0) 分类 新路径小学英语五年级上册(三起)

[00:03.76]UNIT 2 Interesting Lessons [00:07.18] Lesson 6 What's an Insect? [00:11.33]Let's talk. [00:14.13] What are you doing? [00:15.44] Uh...,nothing. [00:17.93]I'm not telling you. [00:19.52]Oh, please. [00:22.04]OK. It's a ladybug. [00:23.79]It'

发表于:2018-12-13 / 阅读(48) / 评论(0) 分类 新路径小学英语五年级上册(一起)

ARI SHAPIRO, HOST: At the University of Wisconsin, some students are blending art and science to create hotels that might save disappearing insects. Susan Bence of member station WUWM explains. SUSAN BENCE, BYLINE: Every year, lecturer Katie Martin-M

发表于:2018-12-18 / 阅读(37) / 评论(0) 分类 2017年NPR美国国家公共电台6月

Pick the World's Ugliest Insect Arizona State University and Northern Arizona University want your vote at askabiologist.asu.edu/uglybugs to help them crown the ugliest insect in the world. Adam Hinterthuer reports Will you pick Sweetness or The Goll

发表于:2019-01-30 / 阅读(93) / 评论(0) 分类 60秒科学
学英语单词
a happy event
air paper
allergic angitis
arcing-ground suppressor
bagasse carrier
ballute
band transformer
bed and drawer
between race
bismuth molydate
butantetraol
cardiac lung
cladosporiosis
CMOT
contoise
contour length
Cooley
Coulomb logarithm
crosstermination
derived pulse
DETAB
dicksplat
ducted radiator
Elconite
epri
eye shapes
Farmer Mac
go into battle
gray sputum
gripper for kelp seeding
heat-transfer theory
hygrol
in time of war
inductosyn droop meter
inextendible
ingurgitates
inventory check
latitude and departure
mathematic machine theory
Meilen
mercury globule
metallic heating element
misexpressive
multidimensional gas chromatograph
narrow-band selective receiver
nesistor
NOEA
nontransformational
optotypes
Oregon pine
paddle agitatior
pattamar
pedlar's market
penicillium brevicompactum
performance-enhancer
photogenic tissue
photopotential
pixma
power of judgement
product-shipments data
promotion systems
Pszczew
r (roentgen)
radiated power output
rarenesses
renographic
respiration calorimeter
Rete venosum dorsale pedis
rudbeckia
russetish
scatter absorption coeffiiient
schmidt's field balance
series-excited motor
service control
servicerack
setting rate
sikyons
speed of transmission
Spread strategy
stary
stringed
subfamily mephitinaes
subroto
surgical flap
talmudism
tax-refund
The Mall
Thomsonian
top washing
training programme
transcultural psychiatry
travestissement
twin segment
two fan cleaning
two-bath
undiluted engine oil
unscrews
vehicle time-space diagram
wedge point
work in double harness
wrap these up