Thirty percent of the devices had high levels of Mycobacterium avium, an organism linked to lung disease.

VOA: special.2009.10.13

And you felt great probably for the rest of the senior year-- I mean, still ups and downs; but overall, high levels of happiness.

可能整个高三都会感觉很棒-,当然难免起起落落;,但总是来说是高水平的快乐。

哈佛公开课 - 幸福课课程节选

because in elementary school and junior high, you have such a variety of skill levels and effort levels.

因为在小学和初中，大家的水平和努力程度不同。

怎么协调意见冲突 - SpeakingMax英语口语达人

The tests showed that many of the substances contained high levels of antioxidant chemicals known as polyphenols.

VOA: special.2009.05.19

Many people said the problem with general levels of happiness or unhappiness rather, the cause is people have too high expectations.

很多人说,一般的快乐或不快乐水平，是由于人们有过高的期望。

哈佛公开课 - 幸福课课程节选

High levels of sulfur in diesel made from petroleum have meant diesel engines produce a strong smell.

VOA: special.2010.11.17

It's been shown that higher levels of education correlate with high voter turnout.

有研究显示，教育程度越高，选民的参与度越高。

对于义务投票制 - SpeakingMax英语口语达人

For example,he found that high Internet use is linked to high levels of reading printed materials.

VOA: special.2009.03.27

Not lower high expectations-- that won't make a difference to our levels of wellbeing.

而不是低的和高的期望-,那不会影响我们的幸福水平。

哈佛公开课 - 幸福课课程节选

The study found that almost three-fourths of the brands had dangerously high levels of lead.

VOA: special.2009.08.31

But people exposed to high levels of radioactive iodine can get thyroid cancer.

VOA: special.2011.03.30

Then high levels of heat harden it to produce many kinds of ceramics.

VOA: special.2009.09.09

High levels of domoic acid in the sardines may have worsened the effects of oxygen loss in the water as the fish crowded into a limited space.

VOA: special.2011.03.15

Children come in contact with high levels of pesticides through farming.

VOA: special.2010.05.26

Tanning beds can also produce high levels of U-V radiation.

VOA: special.2010.07.06

Cortisol provides high levels of energy during important periods.

VOA: special.2009.03.24

"You don't have to have access to high levels of al-Qaida or the Taliban to get rudimentary tradecraft and bomb-making training."

VOA: standard.2010.05.18

Provinces such as Kunduz and Balkh, which previously were relatively stable, are now seeing very high levels of Taliban activity,".

VOA: standard.2009.09.11

The United States Treasury Secretary Timothy Geithner says while inflation is low across most major economies there are very high levels of unemployment.

VOA: standard.2009.11.12

So in other words, if you live with a smoker, you really are at very high risk of demonstrating high levels of second-hand smoke exposure."

VOA: standard.2010.06.15

"We can get stockpiles of anti-virals, we can distribute them to people, we can put a vaccine program in place and get very high levels of coverage.

VOA: standard.2009.09.24

Many will need high levels of care. Researchers say that dramatically increasing global life expectancy makes it imperative to find solutions that prevent, delay,slow,and treat Alzheimer's disease and related dementias.

VOA: standard.2009.12.30

Obese adults can have high levels of C-reactive protein.

VOA: standard.2010.03.09

"Vitamin D has become a very hot topic in medicine now as we are discovering very high levels of vitamin D deficiency in our population, not only in the U.S.,but worldwide" Vitamin D helps our bodies absorb calcium and helps form and maintain strong bones.

VOA: standard.2010.05.28

But Kian is not alone. Researchers say it's not uncommon for journalists who cover traumatic events - like 9/11, Haiti or the Iran elections - to experience high levels of emotional and psychological distress, even long after the immediate danger has ended.

VOA: standard.2010.07.01

The team found levels of lead as high as thirty-two thousand parts per million in tests on some paint samples from Ecuador.

VOA: special.2009.08.31

The researchers said the hair cortisol levels were a better predictor of heart attack than established risk factors like high blood pressure.

VOA: special.2010.10.12

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

There,Darwin noted that levels of rock extending high above the sea contained the fossil remains of shells.

VOA: special.2009.02.25

High blood pressure and high cholesterol levels in blood can increase your risk of heart disease.

VOA: special.2011.06.28