| 单词 | leak-proof |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔hermetically〕The batteries are designed to be leak-proof and hermetically sealed.各种电池都设计成防漏、全密封的。外研社新世纪〔hermetically〕The batteries are designed to be leak-proof and hermetically sealed.电池的设计防渗漏，密封性很好。柯林斯高阶 |
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