Or send your e-mails to unsv@qq.com Join us again next week for more news about science in Special English on the Voice of America.

VOA: special.2010.01.12

They usually refused to join labor unions or take part in strikes.

VOA: special.2010.05.20

Then,in July or August, they join their mothers on these nightly flights.

VOA: special.2009.12.07

They did not join unions or strike.

VOA: special.2010.05.13

"Our staff found many families fled, abandoning homes or previous displacement areas, to join refugees further south,".

VOA: standard.2009.08.21

(Speaking) "We view the North as being at a moment when it can enter global society, and join the global economy safely, or it can move toward implosion as its economic crisis deepens,"

VOA: standard.2009.12.30