1. I always keep a scratchback next to my bed for those hard-to-reach itchy spots on my back.

我总是在床边放一个刮背器，用来刮到我背上难以触及的痒痒点。

2. Can you pass me the scratchback? I have an itch on my back that I can't reach.

你能把刮背器递给我吗？我背上有个我够不到的痒痒点。