| 单词 | ball bearing |
| 释义 | ball bearing (once / 36368 pages) n WORD FAMILY ball bearing: ball bearings USAGE EXAMPLESOthers are formed from pressure cookers and ball bearings, fibreboard and bedsprings, jugs of explosives and trip wires. The Guardian(Oct 29, 2016) Fragmentation from the bomb, which was packed with ball bearings and steel nuts, was found more than 650 feet away. New York Times(Sep 21, 2016) Out in the streets, children scavenge for bomb fragments, bullet casings and tiny ball bearings, as if they were treasures. Washington Post(Oct 05, 2016) n bearings containing small metal balls Syn|Hyper needle bearing, roller bearing bearing a rotating support placed between moving parts to allow them to move easily |
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