NARRATOR: In his first paper, Xu himself assumed that Microraptor would have to splay its legs out to the side to form the rear wings.

旁白：在他的第一篇论文中，徐本人认为小盗龙必须将腿向侧面张开才能形成后翼。

Keep the air from getting turbulent underneath the car as far as the rear spoiler or rear wing, that is to keep down force really on the back tires for traction mostly.

防止空气在汽车下方湍流直至后扰流板或尾翼，这是为了保持下压力真正在后轮胎上以获得牵引力。