// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private const val ARG_PARAM1 = "param1"
private const val ARG_PARAM2 = "param2"

/**
 * A simple [Fragment] subclass.
 * Use the [Fragment_englishWord.newInstance] factory method to
 * create an instance of this fragment.
 */
class Fragment_englishWord : Fragment() {
    private var param1: String? = null
    private var param2: String? = null
override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    arguments?.let {
        param1 = it.getString(ARG_PARAM1)
        param2 = it.getString(ARG_PARAM2)
    }
}

자동으로 생성되는건데 이거 뭔지 알려줄 수 있음?