一些星系离我们已如此遥远，其远去的速度又是如此之快，以至于它们发出的光线永远也无法到达地球。
Some galaxies are already so far away from us, and moving away so quickly, that their light will never reach Earth.
这些议题所引起的游击战如此激烈，以至于到1913年，这个国家已处于内战的边缘。
The partisan warfare that raged round these topics was so fierce that by 1913 this country was brought to the verge of civil war.
这也许是一个标志性事件，在这么短时间内，生育治疗已经变得如此普遍，以至于国内已没有人再将试管婴儿当成话题整天喋喋不休。
It may be a mark of how commonplace fertility treatment has become in such a short time that nobody in this country really talks about test-tube babies anymore.
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