perches造句
        There is a trend for knocking public-school headmasters and headmistresses off their 
perches.
现在有一种推翻公立学校校长权威性的趋势。
Not any more, mocked the crows from shady pine bough 
perches.
时光不再啊, 乌鸦栖息在成荫的松树主枝上,向我发出嘲笑.
The birds were hopping about on their 
perches and twittering.
鸟儿在栖木上跳来跳去,吱吱地叫着.
Other protection can be obtained by providing wooden 
perches througout the orchards.
其它保护措施是可在种子园中到处设置木制的栖木.
The hummingbird 
perches on a twig of the hawthorn.
小蜂鸟栖在山楂树枝上.