- A dive performed from a board or platform with the diver's back to the water.向后跳水：跳水者背向水面从跳板或跳台上往下跳的动作
- quaternary
- quaternary
- quaternary ammonium compound
- quaternary ammonium compoundes
- quaternary structure
- quaternion
- quaternions
- quatrain
- quatrain
- quatrains
- quatrefoil
- quattrocento
- quattuordecillion
- quaver
- quaver
- quavered
- quavering
- quavers
- quay
- quay
- Quay
- quayage
- quayages
- quayed
- quaying
- 針
- 釞
- 釟
- 釠
- 釡
- 釢
- 釣
- 釤 1
- 釥 1
- 釦
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