"Although he likes to eat bits of pizza and bagel off the sidewalk and I prefer to buy them."

bagel /ˈbeɪɡl/  n.    a hard bread roll shaped like a ring    百吉圈

"But he chose to stay with me so he could spend 18 hours a day sleeping on a large green pillow the size of an inner tube."

inner tube /ˈɪnə(r)/ /tjuːb/  n.     a rubber tube filled with air inside a tyre （轮胎的）内胎

"I would send you a bouquet of newly sharpened pencils if I knew you name and adress"

bouquet /buˈkeɪ/  n.    a bunch of flowers arranged in an attractive way so that it can be carried in a ceremony or presented as a gift 花束

（词汇注释来自于《牛津高阶词典》第七版）