北極圈的用法和樣例：
例句
-
南極圈和北極圈內有動物存在嗎？
Are there any animals in the polar circles? -
（我說：“僅在前兩天俄國人發表消息說，他們在北極圈內某個地方發現了數個巨大的鉆石礦區?！保?
I said: "Only the other day the Russians put out that they have discovered huge new diamond fields somewhere inside the Arctic Circle."
