她第五次尝试登上这座8611米高的山峰，而这一次，她是和朋友 Fredrik Ericsson 一起。

She was trying to climb the 8,61l-metre mountain for the fifth time and this time she was climbing with her friend Fredrik Ericsson.

youdao

而这一次面临威胁的是整个地球。

This time the danger is to the whole planet.

youdao

而这一次，反应却甚为良好。

But this time, the reaction was more favorable.

youdao

It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

And then other people are really excited because it's a once-in-a-lifetime opportunity

而另外一些人真的很兴奋，因为这是一个一生只有一次的机会，

正准备奥运会 - SpeakingMax英语口语达人

The swan is really only a force, and Yeats's concern is rather with the human experience of that force, which is, again, another manifestation of "terrible beauty."

这天鹅只是一种力量，而叶芝所关注的是,人类对此力量的感受，而这又是，一次，惊人之美，的表现“

耶鲁公开课 - 现代诗歌课程节选