慢速英语:Peace and Quiet at Isle Royale National Park(翻译)

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1. surround vt. 包围，围绕
例句：The small churchyard was surrounded by a rusted wrought-iron fence
不大的教堂墓地周边围着一圈生锈的熟铁栅栏。

2. explore vi. 勘查， 探测， 勘探
例句：Can you explore the market possibility for us?
您能为我们考察一下市场前景吗？

3. migrate vi.移动; 迁移，移往
例句：The rich people often migrate in winter to Florida.
有钱的人常在冬季搬迁到佛罗里达州去。

4. observe vt.观察; 研究
例句：Stern also studies and observes the behaviour of babies
斯特恩还研究观察婴儿的行为。