Definition
海防有两个常用的、截然不同的意思：一个是指‘沿海防御’（coastal defense），属于军事/国防领域的名词，也可以偶作动词（如‘海防边疆’）；另一个是越南城市‘海防’（Haiphong）的专有名词，常出现在旅游或地理话题中。这两个意思没有联系，需要根据上下文判断。
v./n.
coastal defenseHaiphong (city in Vietnam)
Examples
- 海防。Gǔdài Zhōngguó yánhǎi dìqū fēicháng zhòngshì hǎi fáng jiànshè.Ancient China's coastal regions placed great importance on coastal defense construction.
- 海防，。Wǒ qùnián qùle Yuènán de hǎi fáng shì, nàlǐ hěn piàoliang.I visited Haiphong city in Vietnam last year; it's very beautiful there.
- 海防。Jiāqiáng hǎi fáng xūyào xiàndài jìshù hé shèbèi.Strengthening coastal defense requires modern technology and equipment.
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