我从不清楚一个煤气罐可以用这么长时间，我开始认为我得到一个聚宝盆了。

I've never known a gas cylinda last so long. I was beginning to think I'd got hold of some kind of widow's cruse.

youdao

我从不清楚一个煤气罐可以用这么长时间，我开始认为我得到一个聚宝盆了。

I've never known a gas cylinda last so long. I was beginning to think I'd got hold of some kind of widow's cruse.

youdao