| 单词 | pendulum ball |
| 释义 | > as lemmaspendulum ball pendulum ball n. = pendulum bob n. ΚΠ 1848 S. J. B. Hale Three Hours 15 She raised her eyes to the old brass clock,..And to and fro swung its pendulum ball. 2002 Associated Press Newswire (Nexis) 17 Nov. Cole painstakingly restored the Edward Howard & Co. clock to working order, repairing the striking race,..remaking the 8-foot long pendulum and reattaching the original pendulum ball. < as lemmas |
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