发音：/proʊtəˌtaɪp/^tophonetics

1. An early sample, model, or release of a product built to test a concept or process.

2. Prototyping，原型制作

发音：/rɪˈspɑns ˈlɛtər/^tophonetics

1. A letter of response.

2. written as an answer or a feedback to reviewers' comments or suggestions.

3. How you respond to the criticism you receive can have a significant impact on whether your paper will ultimately be published or not, so getting your letter right is imperative. 

4. A professional collegial approach that adopts a courteous and objective tone to deal clearly and thoroughly with every detail and issue will make the work of the editor and reviewers more efficient and the publication cycle as a whole smoother and more successful.