The mayor , rosa pons , used a megaphone to congratulate everyone .
市长，rosapons，用扩音器恭喜每个人。
Simply put , twitter is a better megaphone than it is a lab.
简言之，推特不是工作室而是一个很好的传话筒。
And you don 't need a megaphone when you 're the u.s. president .
如果你是美国总统，你不需要扩音器。
Today such rumours , scurrilous or not , are not so much whispered as bruited by megaphone by chinese citizens themselves , via websites and microblogs .
如今这样的传闻，不管是否粗俗，都被中国公民自己通过网站和微博用扩音器喊出来，而不再是交头接耳。
Megaphone in hand , he offered " profound apologies " to stranded travellers and promised that the government was doing all it could .
