qǐ / é / de / qí / zhuàng / zhī / suī / rán / bù / néng / fēi / xíng / què / fēi / cháng / shì / hé / yóu / yǒng

企鹅的鳍状肢虽然不能飞行，却非常适合游泳。

Although penguins' flippers cannot fly, they are very well suited for swimming.