David had been on a pub crawl with pals from his rugby club.大卫曾和他橄榄球俱乐部的朋友们一起串酒吧喝酒。The rooms were a crawl with the small cleaning animals, all rubber and metal.橡胶做的,金属做的小小的清洁动物在房间里忙碌着.As it grew dark in the ruined church...
A high performance liquid chromatography - mass spectrometric ( HPLC - MS ) method for microdetection of carbendazim in Dendrobium candidum Wall.用 高效液相色谱 - 质谱联用法定量检测铁皮石斛、西洋参药材及其制剂中的多菌灵残留....