and, behind the spectators, of the nations who work themselves into furies over these absurd contests, and seriously believe --

以及观众身后各个国家的态度。面对着这些荒唐的比赛，参赛的各个国家会如痴如狂，甚至煞有介事地相信 --

This caused the construction of gigantic buildings where too large masses of human beings are crowded together.

这样就导致了许多摩天大厦拔地而起，大厦内众多的人挤在一起。

Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;

在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，

This was the Vasa, royal flagship of the great imperial fleet.

这就是"瓦萨号，帝国大舰队的皇家旗舰。

Arthur C.Clark once suggested a revolutionary idea passes through three phases:

Arthur C.Clark曾经提出，一个革命性的想法经过三个阶段：

below 20 per cent, its bactericidal action is negligible.

浓度低于20％时，杀菌能力基本上就不存在了。