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- The two systems of government are polar opposites. 这两种政体正好相反。
- double link jib in parallelogram 平行四边形组合臂架
- Double link jib with straight fly jib and pull rod 直线象鼻架拉杆组合臂架
- Array ADT, struct and union, polynomial ADT, spare matrix ADT, string, pointer, single linked list, linked stack and queue, linked polynomial, double linked list. 数组ADT；结构体和公用体；多项式ADT；稀疏矩阵ADT；多维数组ADT；串。指针；单链表；链表实现堆栈和队列；链表实现多项式；链表的附加操作；双向链表。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- 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
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- 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。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- 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。
