What two words have the most letters?

问题描述:

What two words have the most letters?

1.smile,因为首末字母间有一mile 2.1913个字母,“色氨酸合成酶A蛋白质”(一种含有267种氨基酸酶)的全称 Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleucyllysylglutamylar...