名词
中文翻译：胶囊
同义词：
['capsule', 'capsule-like', 'encapsulation']
例句：
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1. The medicine is encapsulated in a hard shell.
这种药物被封装在一个硬质壳里。
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2. The encapsulator was responsible for the packaging process.
封装者负责包装过程。
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3. The encapsulated substance is protected from moisture and air.
封装物质能防止水分和空气的侵蚀。