barn swallow

基本解释

Originally, the Barn Swallow nested primarily in caves, but gradually they converted to breeding under the eaves of buildings or inside artificial structures such as bridges and even deserted pipes.
最初，家燕主要筑巢于洞穴里，但是逐渐地，它们转变为在屋檐下或人造建筑物里，例如大桥，甚至在被废弃的管道里扎巢。
Every evening around 7, the skies around Yenping Road and Beimen Street in Chaochou, Pingtung County are besieged by tens of thousands of barn swallows.
每天晚上7点左右，台湾屏东县的潮州镇延平路和北门街的上空，就会被成千上万的燕子给遮掩。
The defeat was a bitter pill to swallow.
那次失败是一次难以吞咽的苦果。
The cows were feeding on hay in the barn.
母牛正在牲口棚里吃乾草呢。
Swallow a glass of beer at one gulp.
一囗气喝下一杯啤酒。

the US and Canadian name for the common swallow, Hirundo rustica &rarrsee swallow

家燕
With the phenophase of migrated barn swallow and the surface meteorological data during the same period of Guilin,the changing role of phenophase of barn swallow and its response to climate change were analyzed. The results showed that,the start sight phase(SSP) of barn swallow was stable,but their halting sight phase(HSP) delayed,so the interval of SSP and HSP obviously prolonged.
利用桂林市迁徙过境家燕的物候期及同期地面气象资料,分析了家燕物候期的变化规律及其对气候变化的响应。