without warning or explanation
没有任何警告或解释
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Then one day, without warning or explanation, the vrykul vanished, leaving behind only deserted villages and abandoned temples.
但是有一天，在没有任何警告或解释的情况下，维京人消失了，留下的只有被遗弃的村庄和废弃的庙宇。
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