As a result, the number of sea birds roosting on the coastal islands decreases.结果, 栖息于沿海岛屿的海鸟数量也相应下降.The location of suitable roosting and nesting environments also has to be considered.还需要考虑适宜的营巢和栖息环境....
斯科特和阿蒙森都迫不及待地等待着春天曙光的来临.Scott and Amundsen waited anxiously for spring.每逢入秋,一年当中观测假曙光的最佳时节来临了.假曙光即是我们所知的黄道光.Autumn is the best time of year the false dawn also known as the zodiacal light....