您要查找的是不是：
- X-s置换子群X-s-permutable subgroup
- X置换子群X-permutable subgroup
- X-5半置换子群X-s-semipermutable subgroup
- X-s-半置换子群X-s-semipermutable subgroup
- 置换子群permutable subgroup
- 子网掩码subnet mask
- 他养了一群羊。He keeps a flock of sheep.
- 我们用x表示一个未知数。We use x as the symbol for an unknown quantity.
- 找乐子gad
- 战斗群battle group
- 没食子酸gallic acid
- 流星群meteor swarm
- 子项subitem
- 一群牛a herd of cattle
- 圆锥滚子轴承conical roller bearing
- 一群孩子在玩。A bunch of children were at play.
- 我们用桩子固定帐篷。We anchored the tent with pegs.
- 集群植物colonial plants
- 一群野鹅从头顶飞过。A flock of wild geese flew overhead.
- [谚]贤父难免生劣子。Many a good father hath but a bad son.
