Millions of wild flowers colour the valleys, especially in April and May.

成千上万的野花使峡谷五彩斑斓，特别是在四五月份。

Vitamin A deficiency is one of the most common causes of blindness in poor countries, especially in small children.

缺乏维生素Ａ是贫困国家最常见的致盲因素，在幼小儿童中特别是如此。

Regular use of cannabis can damage the respiratory system, especially if it is smoked with tobacco.

经常吸食大麻可损害呼吸系统，特别是与烟草一起吸食时。