例句： The portrait was his proudest possession.

例句： She actually condescended to say hello to me in the street today.

例句： The higher division of the seven liberal arts in the Middle Ages, composed of geometry, astronomy, arithmetic, and music.

例句： She read a poem entitled The Apple Tree'.

例句： Indeed he has a solemn face, but he is very humorous at heart.

例句： It's been a tricky business marketing his new invention.

例句： The contour of that mountain looks like a dragon.

例句： That dish is too shallow to serve soup in.

例句： His new novel is a must for all lovers of crime fiction.

例句： The doctor noticed a gradual improvement in his patient.