His great arms dangle loosely at his sides, the palms of his hands open.他的一双粗大的胳膊软绵绵地垂在身子两旁, 手张开着.That man is a total phony, he palms himself off as a Ph . d.那家伙是个彻彻底底的冒牌货, 他冒称是个博士.The crossed the border by greasing the ...
PNA分子可被生物素和各种荧光团常规标记.The PNA molecules can routinely be labeled with biotin or various fluorophores.方法采用链霉素 抗 生物素蛋白生物素过氧化物酶免疫组织化学染色.Methods Immunohistochemistry was performed by using avidin - biotin peroxidase complex p...
A similar system is used to contact the communications satellites that now continually encircle the earth.人们正把同样的系统用来与目前绕地球飞行的通讯卫星保持联系.She was continually adjusting the ventilation system.她不停地调节通风系统。Sarah had been plague...