動(dòng)詞 fill in:

1. supply with information on a specific topic
   同義詞：fill in
2. represent the effect of shade or shadow on
   同義詞：shade, fill in
3. be a substitute
   同義詞：substitute, sub, stand in, fill in
4. write all the required information onto a form
   同義詞：complete, fill out, fill in, make out