when first diagnosed

例句：

1. 1. When the sun sets, it's time to go home.
   太阳落山时，该回家了。
2. 2. Wherever you are, I hope you are well.
   无论你在哪里，我都希望你身体健康。
3. 3. At which time she arrived, he was already there.
   她到达的时候，他已经在那里了。