but as far as we know, this is the only place that monarchs are able to spend the winter.但是据我们所知帝王斑蝶只会来这里过冬

as far as we know据我们所知

As far as we know, that man is bad pay.

据我们所知，那人没有信用，欠债不还。

As far as we know, dolphins have no sense of smell.

据我们所知,海豚没有嗅觉。

be able to会； 能

It took him three months to be able to run a mile.

要能跑一英里需要他三个月。

We hoped that we should be able to do that.

我们希望我们能这样做。

filming them the traditional way, from a camera on a tripod,is reasonably straight forward.如果用传统的方式把摄影机固定在脚架上进行拍摄还满直截了当的

straight forward直通

When you get off at Wan-hua,go straight forward.

在万华下车后，再向前直走。

Your advice was what kept him going straight forward.

你的忠告就是他保持上进的原因。