Over and over, year after year, Crampton measured to the tiniest degree - to eight decimal places the whorls and arcs and gentle curves of numberless Partula, compiling the results into fastidiously detailed tables.

年复一年，克兰普顿把数不清的柄眼蜗牛的螺层、弧度以及和缓的弯曲度一遍又一遍地测量到最精细的程度——到小数点后面8位，把结果编成了许多详详细细的表。