1.The owner--with the first of many gales of infectious laughter--informed me that most of my hour-l0ng journey had been across his land.
随着最初一阵颇有感染力的笑声，这家的主人告诉我，我那大约1小时的路程所经过的大部分是他的土地。
2.In the main, the 1950s were years of fun, and A Branch a place of infectious laughter.
50年代基本上是发生许多有趣的事情的年代，A处是容易引起富有感染力的笑声的地方。