Unit 1 Vocabularies Read and match. 1.(especially of a bird) short, high-pitched sounds A. bustle 2. move in an energetic and busy manner B. fathom 3. (of a person or small animal) move hurriedly with C. chirrups short quick steps 4. to discover the meaning of something D. scurry 5.to make someone or something heavier so that they are not able to move easily E. industrious 6. diligent and hard-working F. weigh down 7. laugh loudly and heartily G. liberally 8. food and drink H. wistfully 9. food I. guffaw 10. in large amounts J. fare 11. slightly sad because you are thinking about something you cannot have K. sustenance