News Plus慢速英语:H7N9基因疫苗在沪成功研制 越南加强禽流感疫情预防工作

重点讲解：
1. go through
经过；
eg. Trainees go through a four-hour lesson before they are let loose on the controls.
受训人员须上4小时的课才能自由进行操作。
eg. He had to go through the usual rigmarole of signing legal papers in order to complete the business deal.
为了达成这笔交易，他不得不通过通常的签署法律文件的繁琐程序。
2. beef up
改善；加强；改进；提高；
eg. You need to beef up your portfolio.
你需要加强你的业务能力。
eg. The new evidence beefed up their case.
有了新的证据，他们的理由更充足了。
3. together with
连同…一起；还有；加之；
eg. The bat together with the balls was stolen.
球拍和球全被偷了。
eg. They sent me the goods,together with an invoice.
他们把货寄给了我，并附上了发票。