Good morning sunshine, sprinkled on a page, such as dim as a brilliant sunset, a long drag on the tip of the partner.
早上好阳光，洒在一页，如朦胧辉煌的夕阳，长拖在尖合作伙伴。
Tip vortex goes downstream outward along the span direction, and the induced drag of the wing decreases.
翼尖涡沿着展向方向向外移动，机翼诱导阻力减小。
Good morning sunshine, sprinkled on a page, such as dim as a brilliant sunset, a long drag on the tip of the partner.
今早的阳光很好，洒在书页上，如夕阳一样昏黄灿烂，笔尖拖上了很长的舞伴。
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