The stars above were countless, each one a tiny beacon of light in the vast darkness.
头顶的星星数不胜数,每一颗都是广阔黑暗中的微小灯塔。
CRISPR是一种工具,和任何工具一样,它的影响取决于我们如何使用它。
A woman must have money and a room of her own if she is to write fiction.