细菌污染物

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 Scientific American(五)月

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

You might think it's your colleagues or the pressures of work that's getting you down at the office, but new research suggests it could well be the air you're breathing instead. Scientists in the US have found that the concentration of carbon dioxide

发表于:2019-01-16 / 阅读(51) / 评论(0) 分类 阅读空间

BEIJING, Jan. 29 (Xinhua) -- China's meteorological authority has introduced a new weather warning system for smog which will use readings of PM 2.5, a particle pollutant. The announcement comes as thick haze chokes many cities. The National Meteorol

发表于:2019-02-06 / 阅读(50) / 评论(0) 分类 英语新闻

保护环境,不要空气污染英语对话 我国最大的坏境问题便是空气污染和水资源污染严重,导致各种疾病发病率怎家。环境问题是一个全球性问题,世界携手对地球负责,才能共同解决。保护地

发表于:2019-02-17 / 阅读(43) / 评论(0) 分类 实用英语
学英语单词
advance base depot
alcontobolocysts
allowed unfavored transition
anaerobic and aerobic cultivating apparatus
anandin
angulated
anythink
arkadia
autarch
be acceptable to
be scandalized at
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Boltzmann distribution law
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cheek stripe
choreography definition language
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conjugated double bond compound
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equity fund
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falls on hard times
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fatty degeneration of cornea
felt cone
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hagridden
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holynesse
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injury of cruciate ligment of knee joint
intra-industry
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ionization device
keeping guard
kra
longitudinal magnetization
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marysia
Maxim, Sir Hiram Stevens
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modulus of volumetric elasticity
moghuls
mopiest
Nae Nae
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palpita warrenalis
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perferrate
pillages
political levy
polyoxide
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priotyrranus closteroides lutauensis
Prodigox
R wave
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Spanish Armada
spray-wash
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subdued uplift
telephone transmission
tentering machine with drying cylinders
time variation of cosmic ray intensity
transfuges
Trevithick, Richard
tube blank
ultratiche
woody flavo(u)r
zymogic