家燕

A curlew called and a tern fished the estuary; house martins were gathering, preparing for migration.

杓鹬在鸣叫，燕鸥在海湾边上捕鱼；家燕在成群集结，正在准备这一年的迁徙。

A comparative study on karyotype and C-band and Ag-NORs of house swallow and red-rumped swallow has been made.

本文对家燕和金腰燕的核型、C带和Ag-NORs带进行了比较研究。

Result The pathogenic microorganisms including Pasteurella, Salmonella, gram-positive Escherichia coli, Staphylococcus and parvovirus were isolated from the captured birds such as sparrow, magpie, great tit, goldfinch, houseswallow, red tailed shrike and pigeon.

结果］从捕获的麻雀、喜鹊、大山雀、金翅雀、家燕、红尾伯劳、鸽子等鸟类中分离出了巴氏杆菌、沙门氏菌、革兰氏肠杆菌、葡萄球菌、细小病毒等病原微生物。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。