| 单词 | 放放 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔planchet〕A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.样品皿：用于存放放射性物质以测量其活性的小而浅的金属容器美国传统〔radioactive〕The government has been storing radioactive waste at Fernald for 50 years.政府在弗纳德存放放射性废料已达50年之久。柯林斯高阶〔rein〕Parents need to loosen the reins as the child grows.随着孩子长大，家长需要放放手。牛津搭配 |
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