Health officials say these numbers usually increase during this time of year as more Americans cook and eat outdoors.

VOA: special.2011.06.17

Like homework for me at the time was actually fun ; and there is some addictive about this; Tej and I even asked Tej during last year's final exam period.

对我而言就像当时做功课一样,但是真的有趣，我有点上瘾了;,在去年的期末考试期间我还请教过。

哈佛公开课 - 计算机科学课程节选

"This year a lot of stores are trying to reduce prices to help bring customers in during this time of recession.

VOA: special.2009.12.21

In Saudi Arabia, officials are preparing for the Hajj, which starts this year during the last week of November.

VOA: special.2009.11.11

Every year,more and more artists came to town during this festival to perform outside,or on the "fringe,"

VOA: special.2009.08.05

They do all this work year-round, even during the cold and snowy winter months in Massachusetts.

VOA: special.2009.12.04

Operations have intensified. More than four hundred American and coalition troops have been killed so far this year, more than during all of last year.

VOA: special.2009.10.10

It shipped more than five thousand bikes during the first eight months of this year.

VOA: special.2009.11.16

During the winter of that year, Clemente returned to Puerto Rico with this family.

VOA: special.2010.04.11

This compares with about sixteen million hectares per year during the nineteen nineties.

VOA: special.2010.04.06

During this period, there was an average of sixty-three attacks worldwide each year.

VOA: special.2009.06.16

It's been very quiet right now. Khao San is the most busiest during the festival, but this year seems like nobody here.

VOA: standard.2010.04.12

Cairo is also still reeling from criticism during Israel's war in the Gaza Strip early this year.

VOA: standard.2009.11.03

The United States is investing $700 million this year to improve Mexico's law enforcement capabilities as part of the Merida Initiative, created during the George W.Bush administration.

VOA: standard.2009.03.24

Tens of thousands of people were killed during Sri Lanka's An estimated 6500 people were reportedly killed and 14,000 wounded during the last few months of the war earlier this year.

VOA: standard.2009.10.25