overhead是什么意思？

ADJ

在头顶上的；在上面的；高架的

例句

adj.

离地面的; 头顶上的; 上空的, 架空的

经费的；管理费用的

adv.

在头顶上; 在空中

在楼上

n.

(企业的)经费

Noun

1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes

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 non-data information (used for location and timing)

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

Adjective

1. located or originating from above;

Adverb

1. above your head; in the sky;

2. above the head; over the head;