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以上来源于: WordNet
N a backward spinning motion imparted to a ball to reduce its speed at impact, as by hitting it with a downward or undercutting motion (球的)回旋 [sport] → compare topspin
reversal , changeover
This backspin makes the ball easier to catch.
后旋球容易接。
youdao
You are learning the backhand topspin and backspin serves.
你在学习发反手上旋球和下旋球。
A similar effect occurs with golf balls, which always have "backspin" from impact with the slanted club face.
球棒斜面打击高尔夫球时，常发生“后旋”，就是这种类似效应。
Deepening the dimples, for example, promotes added backspin, lift and drag, all of which reduce distance.
WSJ: Why a Ball Rollback Might Not Fly | Golf Journal by John Paul Newport
This seemed almost reckless in its certainty, with screw shots, multi-cushion shots and backspin that appeared impossible to mortals.
ECONOMIST: Alex Higgins
Attacking shots, with the exception of the smash, impart topspin on the ball, and defensive shots, apart from the block, put backspin on the ball.
BBC: There are two main ways to hold a table tennis paddle or bat.
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