A group of islands of southern Ontario, Canada, in northern lake Huron. The principal island, Manitoulin, is the largest lake island in the world.

马尼·托林群岛：加拿大安大略省南部，位于休伦湖北部的一组岛屿，其主要岛屿马尼托林岛是世界上最大的湖岛。

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The attack apparently was made on all naval and military activities on the principal island of Oahu. A Japanese attack upon Pearl Harbor naturally would mean war.

很显然，日本的这次进攻将使得瓦胡岛上的所有海军及其军事设施遭受毁灭性打击，日本对珍珠港的进攻，很明显意味着这就是战争。

youdao

However, water is the principal limited factor on the agricultural production of Hainan Island.

水分是海南岛(尤其是西南部)农业产量的主要限制性因子。

youdao

The attack also was made on all naval and military facilities on the principal island of Oahu.

VOA: special.2011.05.19

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