regular-duty

See also: regular duty

English

regular-duty (not comparable)

(tennis) Describing a tennis ball having a thinner felt woven more tightly around the ball's core, designed for softer court surfaces such as clay.
- 2022 September 6, Matthew Futterman, “The Great U.S. Open Ball Debate of 2022”, in The New York Times‎:
  The men at the U.S. Open use what is known as an “extra-duty” ball, which means the felt on the outside of the ball is woven slightly more loosely than the “regular-duty” ball the women use. […] However, the regular-duty balls “play faster,” Collins said through a spokeswoman for the company.
Coordinate term: extra-duty

单词	regular-duty
释义	regular-duty See also: regular duty English Alternative forms regular duty Adjective regular-duty (not comparable) (tennis) Describing a tennis ball having a thinner felt woven more tightly around the ball's core, designed for softer court surfaces such as clay. 2022 September 6, Matthew Futterman, “The Great U.S. Open Ball Debate of 2022”, in The New York Times‎: The men at the U.S. Open use what is known as an “extra-duty” ball, which means the felt on the outside of the ball is woven slightly more loosely than the “regular-duty” ball the women use. […] However, the regular-duty balls “play faster,” Collins said through a spokeswoman for the company. Coordinate term: extra-duty
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