| 单词 | trunnion |
| 释义 | Word Frequency trunnion(ˈtrʌnjən) noun 1. one of a pair of coaxial projections attached to opposite sides of a container, cannon, etc, to provide a support about which it can turn in a vertical 2. the structure supporting such a projection Derived forms trunnioned (ˈtrunnioned) adjective Word origin C17: from Old French trognon trunk |
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