阿齐山—雅曼苏岛弧带发生在维宪期阶段的广阔大陆架海上。

The Aqishan-Yamansu island-arc belt occurred on a wide continental shelf sea in the Visean Stage.

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事实上，天空观测者在较南的奥斯陆、加拿大马尼托巴湖和美国的苏必利尔湖都拍摄到了极光的照片。

In fact, sky-watchers were snapping pictures of auroras as far south as Oslo, Lake Manitoba in Canada, and Lake Superior (map) in the United States.

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伊瓜苏瀑布是美洲大陆上最宽的瀑布。

Iguazu is the widest waterfall on the American continent.

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