小电直拥有抗摔性能好、飞行成本低、飞行压力小等优势，非常适合电直入门者使用。
The mini electric helicopter is cut out for the beginner for its crash-proof, low cost of flying and easy for handling.
感到飞行的压力，他拒绝了。
这种在使用者周围保持一个稳定压力的衣服被用于空间探索和高空飞行。
A suit that maintains a stable pressure around its occupant; useful in both space exploration and high-altitude flights.
应用推荐