to bite and grind with the teeth
Please chew with your mouth closed.
cross
to go or extend across; pass from one side of to the other
Please be careful when you cross the busy street.
elbow
the part in the middle of the arm where it bends
I always put pads on my elbows when I in-line skate.
gum
a sweetened and flavored insoluble plastic material used for chewing
Oh no! There is gum stuck to my shoe.
leave
to leave behind
Please leave a message with the secretary if I am not in.
librarian
a person who works in the library
The librarian told me where to find some books about fossils.
loud
marked by intensity or volume of sound
I woke up from the loud noise coming from the construction site.
polite
considerate; courteous; nice
The polite gentleman kindly offered to let the pregnant woman have his seat on the subway train.
pop
to break; burst
The balloon popped and made a loud noise.
rude
making people angry by one's bad behavior or unkind words
He yelled at the waitress, and the owner asked him to leave the restaurant because of his rude behavior.
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