1.municipal government 市政府

例句：How does Beijing Municipal Government manage to do it?

北京市政府如何才能做到這一點呢？

2.air pollution 大氣污染

例句：They devised proposals to deal with air pollution.

他們構想出處理空氣污染的方案*-uY|@4[wHw。

3.peak traffic 高峰

例句：Up on the roofs of large buildings, meanwhile, the carriers are installing wireless routers to offload about 20 percent or more of the peak traffic to Wi-Fi.

與此同時，在大型建筑物的屋頂上，運營商正安裝無線路由器來把大約20%以上的高峰期流量轉移到Wi-Fi上去cmvypT(7[2z2Rx56J8i。

4.state media 官媒

例句：State media said the power failure knocked out an electronic safety system that should have alerted the second train to the problem.

官方媒體報道電源故障破壞了那原本應該警惕通知第二輛火車發生的問題電子安全系統;umTtjItFl4f6Rh,z。