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- portable double band projector 手提双频带放映机
- Unexpected were some double bands of preprophase-band microtubules in a small population of cells;their functions are still unknown. 在少数分裂前期的细胞中, 发现细胞具有2条早前期微管带, 其具体功能还不清楚。
- The comparison is the base of aircraft's identification technology, especially of double bands identification technology. 为实现对飞机真假目标的识别，尤其是红外双波段识别，提供了理论基础。
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- Completely portable and very light weight. 便携式的，而且重量很轻。
- Portable telephones are very popular nowadays. 现今，移动电话非常普及。
- He found that little TV extremely portable. 他觉得那台小小的电视机携带极其方便。
- I bought my son a portable typewriter. 我给儿子买了一台手提式打字机。
- The document had been typed on a small portable. 这份文件是用便携式打字机打的。
- Double medium blue/lighter band, white edge. 重瓣中蓝色花，比较亮的晕边，白色细镶边。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- The new portable computers are going like hot cakes. 新的便携式计算机卖得很快。
- Can anyone in the band double in brass? 乐队中有人能兼奏其它乐器吗?
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- 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。
- She traded her roller-skates for Billy's portable radio. 她拿旱冰鞋换了比利的手提收音机。
- The documents have been typed into a portable computer. 文件已经被输入到一台便携式电脑里了。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- A human being is an ingenious assembly of portable plumbing. 人类，是一堆可以随意拆卸的铅管零件的巧妙装配。
