Her uncle turned his head infinitesimally , his eyes were silver .
她的叔叔转过头无穷,他的眼睛是银。
The chances of tokyo abandoning nuclear power are , as some might put it , infinitesimally small .
日本政府放弃核电的可能性,可以说是微乎其微。
The spheres are allowed to differ in radius and in surface properties ; they may move independently , or they may be linked by any infinitesimally thin rods to form a rigid aggregate .