Translation of "pillowcase" into Chinese

I guess I still need that pillowcase to sleep, or whatever.

真是 的 我 大概 还是 要 枕着 那 枕套 才能 睡觉 吧

While sending back our pillowcase was probably your usual everyday deed in being yourself, to us it was something to be commended.”

虽然在你们看来,把枕头套寄还给我们只是平平无奇的事,在我们看来却是十分值得称赞。”