This star, which formed around 4.6 billion years ago and takes 26 days to complete onerevolution, will be familiar to readers every sunrise.
这颗恒星大约在46亿年前形成并且每26天就完成一次公转，它在太阳升起时会被你们所看到。
2
Folds used to be willing to wait patiently for a slow-moving stage coach, but now they kick like the dickens if they miss onerevolution of a revolving door.
过去人们一向乐于耐心等待慢吞吞的公共马车，可现在若错过旋转门的一次旋转，他们就乱踢一气。
3
The period since the revolution has been one of political turmoil.