Last Updated
：2025/12/08
extra-duty
Adjective
not-comparable
Japanese Meaning
（テニス用語）硬いコート（アスファルトやコンクリートなど）向けに設計され、ボールのコアの周りにゆるく編まれた厚めのフェルトが用いられているテニスボールを指す。
Quizzes for review
(tennis) Describing a tennis ball having a thicker felt woven more loosely around the ball's core, designed for hard court surfaces such as asphalt or concrete.
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extra-duty
I always buy extra-duty tennis balls for our weekend matches on the community's concrete courts.
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I always buy extra-duty tennis balls for our weekend matches on the community's concrete courts.
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