professional_developers_conference

1.Microsoft Tuesday revealed Windows 7 at its annual Professional Developers Conference (PDC) in Los Angeles.
星期二，一年一度的专业开发者大会(PDC)在洛杉矶召开，微软公司在会上透露了有关Windows7的消息。
dict.yoduao.com
2.Microsoft will unveil more details about the Cloud OS at the company's Professional Developers Conference in la later this month.
本月底在洛杉矶举行的微软专业开发者大会，该公司将推出更详细的Cloud OS说明。
dict.yoduao.com