n.灰雁
greylags───n.灰雁
graylag───n.灰色雁(雁的一种)
graylags───n.灰色雁(雁的一种)
greying───adj.石墨化的;发灰色的
greyly───adv.带灰地
greyback───n.(英)灰背类动物〔如灰鲸、雪鲦等)
greyhead───greyhead
greylist───n.灰名单
green flag───绿旗(警告信号);绿旗(表示比赛开始)
Study on photoperiodic regulation of reproductive seasonality of Guandong greylag geese;───研究了光照对马岗鹅季节性繁殖活动和内分泌的调控。
Study on photoperiodic regulation of reproductive seasonality of Guangdong greylag geese.───研究了光照对广东灰鹅季节性繁殖活动和内分泌的调控。
Adult greylag geese were more aloof and watched anxiously as their goslings joined in the competition for food.