Paw prints were seen in a number of places and puma fur was found clinging to bushes.

在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。

One evening, however, he failed to arrive.

可是，有一天晚上，它出去后再也没回来。

You forget that I was a medical student once upon a time.'

你忘了我以前是学医的了。”

Even when it was raining heavily, he refused to carry an umbrella.

即使大雨倾盆，他也总是拒绝带伞。

My friend fails to mention the long and friendless winter evenings in front of the TV -- virtually the only form of entertainment.

我的朋友没有提到在电视机前度过的漫长寂寞的冬夜——电视是唯一的娱乐形式。

The price we pay for cheap food may be already too high: Mad Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and wisteria in dairy products.

牛肉中的疯牛病，鸡肉和鸡蛋中的沙门氏菌，奶制品中的利斯特杆菌。