The engines seem to sing a duet. There is a deep vibrating bass voice, and with it there is a high-pitched tenor. Write the definition and then an original sentence using some from of the word. These are words from your story. Some of these can be found in your text glossary.
Bullfighters raise pigeons for a hobby. . . .
Think opposites or things that might annoy when doing this part of the assignment. Some of these are from your reading, so use the example given in the book when you come to one of these. Being a laugher is an unusual occupation. Use your imagination to make up another strange or unexpected profession.