1990349 Tom has a short attention span. CK 1 1874077 The life span of a butterfly is short. CK 1 2264861 He has a short attention span. Hybrid 1955951 Butterflies have short life spans. soweli_Elepanto 286963 His life spanned nearly a century. CM 48658 The bridge has a span of 100 meters. Zifre 281182 What is the average life span in Japan? CK 2662678 One of Tom's problems is his short attention span. CK 72394 Seventy or eighty years is the normal span of a man's life. CM 243787 According to a recent study, the average life span of the Japanese is still increasing. CK