摇摆

meaning for 摇摆 yáobǎi:

  • - to sway
  • - to wobble
  • - to waver
yáobǎi摇摆
lónggǔ龙骨
tōngcháng通常
cháng长
ㅤ，
zhǎi窄
ㅤ，
zhòng重
ㅤ。

A swing keel is usually long, thin, and heavy.

nàme那么
rúhé如何
tōngguò通过
yáobǎi摇摆
tígāo提高
shìlì视力
ne呢
ㅤ？

So, how to improve eyesight through swinging?