短语词组短語base -ring and frame-ring 基礎環schiff base macro ring 蓆夫堿大環extension of base field ring 擴張環turret base ring [軍]砲塔座圈lug base ring 凸耳座環gnathosomal base ring 顎基環base ring detail 底套圈ring base 環形基礎 返回 base ring