- 重点词汇
- 动力机
engine; motor; power machine
- 技术
technology; technique; skill; art; craft; know-how; science; technical; technological; skilled; techno-; -manship
- 公开
open; public; overt; disclose; reveal; announce; publish; declare; uncover; make public; go public; lay open; open up; open to the public; come out; bring to light; publicly; openly; publication; disclosure; openness; announcement; release; in public