您要查找的是不是：
- Printed full loge on the other lens, “Ray Ban” refers to normal lens; “Ray Ban P” refers to polarized lens; etc. 真假玻璃镜片的区分：有没有刻痕，刻痕是否清晰干净，如果有机会，真假对照一下就很清楚了。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The issue has polarized congress. 该争论于国会分裂。
- Public opinion has polarized on this issue. 在这个问题上公众的意见已两极分化。
- Have your glasses got plastic lenses? 你的眼镜是用塑胶镜片的吗?
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- One that makes lenses and eyeglasses. 光学仪器制造技师光学透镜和眼镜的制造者
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- polarized lenses 偏光镜片
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- One that sells lenses, eyeglasses, and other optical instruments. 眼镜商，光学仪器商出售光学仪器、眼镜或其它光学仪器的人
- 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
- 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。
- High-quality wide angle lenses are very expensive. 高品质的广角镜头非常昂贵。
- Cameras have lenses at the front. 照相机的前面装有镜头。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- Some of these telescopes have glass lenses in them. 其中一些望远镜里安装着玻璃透镜。
- These sandstone bodies form elongate lenses. 这些砂岩体形成伸长的透镜体。
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
