| 单词 | mechanical apparatus |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔conveyor belt〕A mechanical apparatus consisting of a continuous moving belt that transports materials or packages from one place to another.传送带，输送带：由连续移动、把货物或包裹从一个地方运送到另一个地方的带子所组成的机械仪器美国传统〔pinsetter〕An employee or a mechanical apparatus that sets up pins in a bowling alley.拾瓶童，自动拾瓶装置：在保龄球球道上设的机器装置或工作人员美国传统 |
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