Methods: 30 male SD rats ( islet donors ) were randomly divided into 3 groups.方法: 取30只SD雄性大鼠随机分成3组,采用胶原酶V型 胰管灌注分离消化及 Ficoll 纯化,制备三种不同纯度的胰岛.He urged donors to step up their efforts to send aid to Somalia.他敦促各捐赠方加快速度将援助物资送...
Please email us to be removed from our active list of blood donors.假如你想把自己的名字从献血联系人名单中删去,请给我们发电子邮件。About half this amount comes from individual donors and bequests.这笔钱大约有一半来自个人捐赠及遗赠.Blood donors give blood for use in hos...
我来到该农场住下纯属偶然。I came to live at the farm by happenstance.我们在村里偶然碰见了一些老朋友。We ran across some old friends in the village.他们的成功是各种环境因素偶然联系在一起的幸运产物。Their success is the result of a fortuitous combination of circumstances....
The tramp produced a stump of candle from his deep pockets.流浪汉从深口袋里掏出了一截蜡烛。And can't you dress more decently—people will think you're a tramp.你就不能穿得更体面一些吗——别人还以为你是个流浪汉呢。the tramp of marching feet行进中沉重的脚步声...