The explosion scattered a flock of birds roosting in the trees.
爆炸声把栖息在树丛中的鸟群惊散了。
Biologists found a pregnant female roosting in a pine tree, and say they might be able to improve the bats' living situation.
生物学家们在一棵松树上发现了一只怀孕的蝙蝠妈妈，并说他们也许能够帮助改善蝙蝠的生存环境。
One autumn day there fluttered on to the Cathedral roof a slender, sweet-voiced bird that had wandered away from the bare fields and thinning hedgerows in search of a winter roosting-place.
秋日的一天，大教堂屋顶上飞来一只体态轻盈、叫声甜美的小鸟。 它离开荒芜的原野和日渐稀疏的矮树篱只为寻一处冬季的栖息地。
The bird, however hard the frost may be, flies briskly to his customary roosting-place, and, with beak tucked into his wing, falls asleep.
尽管天气如此寒冷，鸟儿还是会精神勃勃的飞往它们的栖息之地，将喙藏在翅膀下，缓缓入睡。
I say "roosting" because it seemed almost asleep; perhaps not quite.
说“栖息”，是因为它似乎睡着了，但也许并没有真正睡着。
Once, a flock of birds flew past overhead, on their way to some hidden roosting place, uttering as they flew a clear bell-like chirp;
有一次，一群鸟儿从我们头顶飞过。啾啾唧唧地清脆得像铃声一样叫着归巢；
More recently, their Numbers have fallen because of the widespread loss of wild wetland habitats needed for feeding, nesting, and roosting.
最近，由于其栖息的湿地大面积地消失，其数量又一次急剧下降。
The occurrence of the roosting sites was positively related to degree of slope, wood cover and wood height, and negatively related to herb cover.
白马鸡群体的夜栖地选择与坡度、乔木盖度和乔木高度正相关，与草本盖度负相关。
The occurrence of the roosting sites was positively related to degree of slope, wood cover and wood height, and negatively related to herb cover.
白马鸡群体的夜栖地选择与坡度、乔木盖度和乔木高度正相关，与草本盖度负相关。
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