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- The head of the merozoite consists of a conoid,an apical vesicule and polar ring. 裂殖子的膜下微管24根，起始于极环，向后延伸至细胞核处；
- Can Ring Galaxies Form by Gravitational Collapse? 引力坍缩能形成环星系吗?
- The two systems of government are polar opposites. 这两种政体正好相反。
- A galaxy of film stars attended the premiere. 一群影星参加了首次公演。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Each galaxy contains myriads of stars. 每一星系都有无数的恒星。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- There may be millions of worlds in the Milky Way Galaxy. 银河系中也许有几百万个世界。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
- The music was so loud it made my ears ring. 音乐的声音太大了，把我耳朵震得直响。
- The policeman felt that my story didn't ring true. 警察认为我讲的话听起来不可信。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- She wears a ring round her wrist. 她的手腕上戴着一只镯子。
