- overhead
 - ['əuvəhed, ,əuvə'hed]
 - adv. 在头顶上;在空中;在高处
adj. 高架的;在头上的;在头顶上的
n. 天花板;经常费用 
反义词
           
       参考例子
           - 1.I put it in the overhead locker.
 - 我把它放在上头的柜子里。
 
- 2.A single good programmer working on a single task has no coordination or communication overhead.
 - 一个好的程式员在单一工作上工作并没有协调或沟通的花费。
 
- 3.Although frame relay lessens the overhead of link retransmission, frame relay still requires that the voice traffic cross many physical paths.
 - 虽然帧中继减少了链路重发传输的开销,但帧中继仍需要话音通信穿过多个物理通道。
 
英文解释
           - n.
 - 1.the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it do
 - 2.(computer science) the processing time required by a device prior to the execution of a command
 - 3.(computer science) the disk space required for information that is not data but is used for location
 - 4.a transparency for use with an overhead projector
 - 5.(nautical) the top surface of an enclosed space on a ship
 - 6.a hard return hitting the tennis ball above your head
 
- adj.
 - 1.located or originating from above
 - 2.above your head; in the sky
 - 3.above the head; over the head
 
网络释义
               - overhead
 - 日常开支; 日常管理费; 厂皮(企业一般管理费); 间接费用;
 
- Working overhead
 - 上面在施工; 上面在施工来源:考试学习网; 上面在施工来源:; 上面施工;
 
- overhead throw
 - 过顶掷球; 边顶掷球; 边线掷界外球;
 
- overhead hoist
 - 吊运装置; 吊运装置:;
 
- Overhead pass
 - 双手头上传球; 头上传球; 过顶传球; 头上传球:;