2. He is the narrator of the documentary. 他是这部记录片的“解说员”。
3. The documentary was filmed with an underwater camera. 这部记录片是用水下摄影机拍的。
英英解释
n.
1. a film or TV program presenting the facts about a person or event
2. relating to or consisting of or derived from documents
3. emphasizing or expressing things as perceived without distortion of personal feelings, insertion of