that's because only then ,will the weather be warm enough for a ship to be able to sail to the area .这是什么句子那么奇怪!

问题描述:

that's because only then ,will the weather be warm enough for a ship to be able to sail to the area .这是什么句子那么奇怪!

only引导的倒装句能变成原句吗?the weather will be warm...这是没有only的时候