您要查找的是不是：
- cross sterile group 杂交不育群
- Medical tests showed that he was sterile. 医学检查表明他没有生育能力。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- An operation chamber should be completely sterile. 手术室应该完全无菌。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。
- Passengers mustn't cross the rails. 乘客不得横过铁路。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
