求翻译：1521年葡萄牙航海者麦哲伦奉西班牙殖民主义者之命踏上这个群岛时，正好是天主教宗教节日，于是就为群岛起了一个有宗教意义的名称----圣拉哈鲁群岛。是什么意思？

1521 Portuguese mariners the Magellan Upon the Spanish colonialists was ordered to set foot on the islands, happens to be Catholic religious festivals, so from the name of a religious significance ---- Shenglahalu Islands archipelago.

In 1521 Portuguese Magellan navigation instructions of Spanish colonialism, life on the islands, just a Roman Catholic religious holidays on the islands, and then it will have a religious significance of the name - - St. Andrew islands'.

In 1521 Portuguese voyager Magellan presented when life of the Spanish colonialist stepped this archipelago, happen to is the Catholicism religion holiday, therefore on got up for the archipelago to have the religious significance name----The saint pulls Kazak Lu Qundao.

1521 Portugal voyagers Magellan held Spain when the lives of the colonists set foot on the Islands, is a Catholic religious festivals, so he has a religious significance of the Islands name----Saint Lu Islands.

正在翻译，请等待... 正在翻译，请等待...