【Native Speaker每日综合训练—45系列】【45-09】科技 E-Cigarette

画画2013

Speaker
The US Food and Drug Admistration said it wants to regulate electronic cigarette. However, such an effort to remind people of the health problem of this cigarette might be useless, because E-cigarette fans are modified these devices to produce stronger flavor and more vapor.
Meanwhile, those fans consider that E-cigarette produces water vapor rather than smoke, scientists, however, want to know what are the real components,which may be toxic, in the cigarette.
Time2 2'13
The main target of electronic cigarette is to help people stop using tobacco. However, most of users uses e-cigarette just for fun! Due to less regulation by the U.S government, even preteens can buy and use e-cigarette freely.
But, in fact, the e-cigarette is not as safe as people think. Calls got from CDC said that the e-cigarette users become nausea, evy irritation and vomitting, and those who do not use this stuff still faces health problems.
Time3 2'
sherbet 冰冻果子露
vanilla 香草味的
The flavors of e-cigarette are chosen to attract small children, so that the victims even consist of no more than 5 years old chidren.
No one konws what might be responsible for making people who are exposed to e-cigarette sick.
But, the toxic exposure to chidren should alert government, doctors and even e-cigarette makers to pay attention.
Time4 2'01
The risks of vaping of e-cigarette are much bigger than scientists thought. The vapors can trigger inflammation , heart disease and other chronic conditions where inflammation involved.
Such product have many different brands on the market, and many dozens of solutions are used to generate the device's vapors.
Time5 2'09
solvents 有溶解力的，溶剂
carbonyls 多金属羰基化物
formaldehyde 甲醛
acetaldehyde 乙醛
Vaping is not as safe as people think. The solvents can transform into something even more worrisome, which might be carninogens. What is more, the median diameter of vaping particles can really hurt lung.
Time6 1'47
Tough they maybe GRAS, the chemical flavoring of e-cigarette may still be dangerous.
And e-cigarette also can make dangerous germ harder to kill.
Obstacle 9'42
bystanders 旁观者，看热闹的人
main idea: The risks of e-cigarettes are still unknown, and regulation of e-cigarette still has so far a way to go.
The e-cigs made to help people stop tabacco. It contains no tabacco, so that it does not make smoke.
The major components of e-cigs are nicotine, a flavoring of some kind and propylene glycol—a syrupy synthetic liquid added to food, cosmetics, and certain medicines to absorb water and help them stay moist. The most worried part of e-cigs is its byproduct, which may hurt people's lungs.
Make a regulation of e-cigaratte is difficult, both in America and Europe. More and more entreperneurs come into this market and perdict a promising future.