他请求那位老人照看这个公事包.He requested the old man to look after the briefcase.我关不上公事包.I can't shut my briefcase.是的, 1个公事包 、 1个旅行行李袋和1个手提箱.Yes, a briefcase, a travelling bag and a suitcase....
Artificial incubation and growth observation for the nestlings of Great Bustard ( Otis tarda )大鸨人工育雏及雏鸟生长发育的研究 ( 英文 )She fluttered around me like a mother bird at her nestlings.她在我周围忙来忙去,像鸟妈妈对鸟宝宝一样。The nestlings are feat...