An island of northern Michigan in the Straits of Mackinac, a passage connecting Lakes Huron and Michigan between the Upper and Lower peninsulas.是什么意思_An island of northern Michigan in the Straits of Mackinac, a passage connecting Lakes Huron and Michigan between the Upper and Lower peninsulas.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句