You cannot prove conclusively that Sellafield caused cancer. You can only work on the basis of probability.
你们无法确切证明塞拉菲尔德核电厂引发了癌症。你们只能基于可能性入手。
2.ripple effects 连锁反应
Delayed flights have a ripple effect. Just one late flight could be carrying passengers for a dozen connecting services.
航班晚点会引发连锁反应。仅仅一趟晚点的航班就可能运载着许多需要转机的乘客。
3.in the wake of 随着
In the wake of developments in science and technology, man has become more capable of conquering nature.
随着科学技术的发展，人们征服自然的能力也越来越强了。
4.back and forth 来回
They swayed back and forth, more or less in sync with the music.
他们来回摇摆，基本上与音乐同步。
5.carry out 执行
The Social Democrats could still carry out their threat to leave the government.
社会民主党人仍有可能将其退出政府的威胁付诸实施。
