请确保所有门窗都关好锁好,因为我们的公寓必须保持良好防护。

Please make sure all doors and windows are locked properly because our apartment must remain well-secured.

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Please make sure all doors and windows are locked properly because our apartment must remain well-secured.

well-secured 是由副词 well(良好地)和动词 secure(保护、使安全)的过去分词 secured 组成的复合形容词。secure 来自拉丁词根 se-(分开)和 cure(关心),原意是"无需担心"。 well-secured 表示"被很好地保护/防护的",强调采取了充分的安全措施。

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