With the crew aboard the International Space Station packing up Endeavour for its return flight to Earth, several astronauts reflected on life in zero-G.

奋进号上的人员和国际空间站的所有人一起检查并确保其返回地球的飞行，几个宇航员对零重力生活有了体验。

youdao

Sequencing involves determining the order of the bases — the chemical units of DNA that are represented by the letters A, C, G and T — in a gene or on a chromosome.

测序涉及确定的基础秩序 - 在基因或染色体 - DNA的是用字母A，丙，G和T代表的化学单位。

youdao

The meeting was a precursor to the larger G-20 meeting taking place in Seoul on November 11 and 12.

这次会议将是于今年的月的11日至12日在汉城召开的较大的20国集团会议的前兆。

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"In short,our goal is to get G.M.back on its feet, take a hands-off approach and get out quickly."

VOA: special.2009.06.05

He said that at the April 2 summit in London, the G-20 will have to take steps to put the world on the road to economic recovery.

VOA: standard.2009.03.25

The Iranian government also did not reply to an Italian invitation to participate in talks on the sidelines of the G-8 foreign ministers meeting later this week in Trieste.

VOA: standard.2009.06.24

Wales have lost their opening two games in Group G and another defeat in Basle on Tuesday would all but end their campaign just a month after it began.

BBC: Gareth Bale is key for Wales, says Ashley Williams

President Obama and Prime Minister David Cameron of the United Kingdom had a private discussion on the sidelines of the G-20 meeting in Toronto on Saturday.

FORBES: Obama Pays Off World Cup Bet With Craft Beer

By far, the most important event on his 10-day trip to Asia the longest foreign jaunt of his presidency is the G-20 in Seoul on Thursday and Friday.

FORBES: Obama "Shellacked" Twice in One Week