| 单词 | bell purchase |
| 释义 | Bell purchaseor Bell's purchasenouna tackle consisting of two standing single blocks, two running single blocks, a fall, and a runner, so arranged that it gives a mechanical advantage of six, neglecting friction. Words nearby Bell purchasebellows fish, bell pepper, bellperson, bellpull, bell punch, Bell purchase, bell push, bell-ringer, bells, bells and whistles, bell seat Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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