科学美国人60秒 SSS 2013-10-15
时间：2019-01-20 作者：英语课 分类：Scientific American(十)月
英语课
This is Scientific American 60-second science. I am Sophie Bushwick. Got a minute.
Jet lag. Jumping a few time zones causes problems with sleep even digestion 1. but new research means we could step closer to preventing this voigers vexation.
The study centers on the hormone 2 viso pression thought have a role to maintaining an intern-clock. Researchers genetically 3 engineering mice to note response the viso pression, both engineering and normal rodents 4 lived in the set cycle of light in dark for two weeks, then the researchers change the light cycle by 8 hours. and viso pression incent mice recovered from reduce jet lags much more quickly than did their hormone appears, the work on the journal Science.
Jet lag may seen like mind annoys but for those who travel frequently a work usually for hours is a chronic 5 problem that increase the risk of hypertension and obesity 6.
You can not simply note out these impress signal permeanately that would not have negative effects on behavior in brain activity.
But drug that temporally suppresses with press reduce the jet lag maybe a frequent ** dream.
Thanks for the minute. For Scientific American 60-second Science. I am Sophie Bushwick.
n.消化，吸收
- This kind of tea acts as an aid to digestion.这种茶可助消化。
- This food is easy of digestion.这食物容易消化。
n.荷尔蒙，激素，内分泌
- Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
- This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。
adv.遗传上
- All the bees in the colony are genetically related. 同一群体的蜜蜂都有亲缘关系。
- Genetically modified foods have already arrived on American dinner tables. 经基因改造加工过的食物已端上了美国人的餐桌。 来自英汉非文学 - 生命科学 - 基因与食物
n.啮齿目动物( rodent的名词复数 )
- Rodents carry diseases and are generally regarded as pests. 啮齿目动物传播疾病，常被当作害虫对待。 来自《简明英汉词典》
- Some wild rodents in Africa also harbor the virus. 在非洲，有些野生啮齿动物也是储毒者。 来自辞典例句
adj.(疾病)长期未愈的，慢性的；极坏的
- Famine differs from chronic malnutrition.饥荒不同于慢性营养不良。
- Chronic poisoning may lead to death from inanition.慢性中毒也可能由虚弱导致死亡。