foot fault
短语n. （网球）脚步犯规
词形变化
foot faults
复数
foot faults
释义与例句
n.
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1.
In certain sports, as in tennis or long jump, a fault in which the athlete's foot is in the wrong place at the wrong time.
体育In tennis, a foot fault results when server's foot is placed outside the service area prior to the ball being hit.
In pickleball, a foot fault occurs when a player volleys a ball while in the kitchen, or non-volley zone.