前垂れ: apron

誰も: (with negative verbs) nobody, no one

raindrops / an exclamation mark

誰: who

涎: drool, saliva

誰でも: anyone

a book / a script; a scenario / source; origin; root

just

reading / (figuratively) understanding of something, speculation about something

to read (look at and interpret written text) / to read (speak aloud written text) / to infer; to speculate / to count