信令转接点具有转接信令的功能，它可以将一条信令链的信令消息转发至另一条信令链的信令点。
正确
暂无解析
Chinesepeopleareverygoodattablet_____，andit'sourfavoritesport
()TheboysarefromTokyo.Theyare______.
Ithinkthe______(four)lessonisthemostdifficultinthisbook.
country_________(复数)
She______(watch)TVeveryevening.