All drains should be ventilated to avoid the build-up of sewer gas.
应该给所有的排水管换气以避免阴沟臭气的集聚。

In 1998, at the climax of the months of build-up to the football World Cup final in France, the Three Tenors performed on a special stage under the Eiffel Tower in Paris.
1998年，法国世界杯足球决赛使数月的准备工作达到了顶峰，在巴黎艾菲尔铁塔下一个特制的舞台上，三大男高音再次联手登台演出。

Running with a low load of fuel meant there was more room for a build-up of petrol in the tank in front of the driver, which in a head-on crash... you get the picture.
在油箱内汽油不多的情况下行驶意味着司机座前的油箱里石油蒸汽积聚的空间很大，如果汽车迎面相撞－你可以想象那是什么样的情景。