perches的例句（perches在句子中的用法）

• 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.
• 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。