他造了一架滑翔机,利用弯曲的机翼来产生升力。
旋转会产生升力,但打球时,我这样的水平是控制不了的。
Rotation will create lift, but play basketball, I this level is out of control.
达到空中后,他们利用身侧的长胸鳍及短腹鳍产生升力,类似于机翼。
Once airborne, they use long pectoral fins and shorter pelvic fins on the sides of their bodies to create lift, much like the wings of an aircraft.
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