只有当我们冷静应对紧急状况时，我们才能更好地解决问题。

Only when we react to emergencies in life calmly, can we solve problems in a better way.

youdao

只有当我们所有人共同努力消除各种污染时，我们才能期望有一个更好的环境。

Only when all of us join efforts to eliminate pollution at all levels can we expect to have a better environment.

youdao

只有当我们所有人携手消除各级噪音污染时，我们才能拥有更好的环境和更美好的未来。

Only when all of us join hand in hand to eliminate noise pollution at all levels, can we have a better environment and a more beautiful future.

youdao

And that's what you want because the electron repulsion is only felt when you are in really, really close.

而那就是你想要的,因为电子间的斥力只有当它们,离得非常非常近时才能感觉得到。

麻省理工公开课 - 固态化学导论课程节选

I mean, like, unless you, you're like, acquainted with the city, then, like, you can find stuff,

我的意思是，只有当你对这个城市非常熟悉，你才能发现它的好玩之处。

纽约和洛杉矶不一样 - SpeakingMax英语口语达人

It was only when we started to study those that we actually understood how we can best help that population.

只有当我们开始研究这些,才能了解如何帮助到整体。

哈佛公开课 - 幸福课课程节选