2. They were also filled with hydrogen and some of them caught fire
bemuse the hydrogen escaped and the engines heated it.
其中一些不幸失火,是由于氢气泄漏后被发动机加热而引燃,几秒钟之后。
3. The Olympic Committee started it from the Sixth Olympic Games. However, it was not executed
bemuse of the First World War.
前五后没有举行“宣誓仪式”,奥委会本想第六后进行,因为第一次世界大战而没有施行。