| 单词 | time-ball |
| 释义 | time-ball (once / 1688473 pages) n WORD FAMILY time-ball USAGE EXAMPLESTelegraph Hill and its semaphore and time-ball were features of business life. Murdock, Charles A. (Charles Albert), A Backward Glance at Eighty—Recoll...(2010) Deal Time-Ball has now been erected by Messrs Maudslays and Field, and is an admirable specimen of the workmanship of those celebrated engineers. Airy, George Biddell, Autobiography of Sir George Biddell...(2010) February I reported to the Admiralty that the Deal Time-Ball had been successful, and I proposed time-balls at Portsmouth, Plymouth, and Sheerness. Airy, George Biddell, Autobiography of Sir George Biddell...(2010) n a ball that slides down a staff to show a fixed time; especially at an observatory Hyper ball, globe, orb an object with a spherical shape |
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