words to know

bunk     a narrow bed fixed to the walls of a compartment in a train

buzz     sound made by a flying insect

compartment     a part of a passenger train in which there are seats or sleeping space

doze     sleep lightly for a short time

force of habit     done without thinking

itch     to have a tickling feeling

porch     a roofed place outside the entrance

rumble     to make a deep rolling sound

scratch     1.  to mark with something sharp       2.  to rub where it itches

screech     a loud, high-pitched sound

snarling     growing

whimper     to cry softly

wink     to close and open one eye quickly