Paper airplane flight effect may be related to the mass, size and wing shape.
纸飞机的飞行效果可能与质量、大小、机翼的形状有关。
If done correctly, your tongue will make a curved shape, almost like an airplane wing.
做得好的话，舌头会形成一个机翼似的弧形。
Two wing-like lobes4 create the shape of the trap.
两个翼状的圆裂片构成陷阱。
Two wing-like lobes4 create the shape of the trap.
两个翼状的圆裂片构成陷阱。
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