名詞 overhead:

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
   同義詞：operating expense, operating cost, budget items
2. (computer science) the processing time required by a device prior to the execution of a command
   同義詞：command processing overhead time, command processing overhead, command overhead
3. (computer science) the disk space required for information that is not data but is used for location and timing
   同義詞：disk overhead
4. a transparency for use with an overhead projector
   同義詞：viewgraph
5. (nautical) the top surface of an enclosed space on a ship
6. a hard return hitting the tennis ball above your head
   同義詞：smash

形容詞 overhead:

1. located or originating from above

副詞 overhead:

1. above your head; in the sky
2. above the head; over the head

1. An eagle circled high overhead.
   一只鷹在高空盤旋。
2. The trolley bus picks up current from an overhead wire.
   無軌電車的電能是通過架空線供給的。
3. An aeroplane droned overhead.
   一架飛機在頭上嗡嗡飛過。
4. The hawk is hovering overhead.
   鷹在頭頂上盤旋。
5. Overhead the stars were out.
   天上星星出來了。
6. The overhead costs are ridiculously expensive.
   日常開支太高了。
7. Seagulls were circling overhead.
   海鷗在頭頂山盤旋。
8. Their office is in central Beijing, so their overhead is very high.
   他們的辦事處設在北京市中心，所以他們的日常開支很大。

o.ver.head

adj.（形容詞）
Located, functioning, or originating from above.
上面的，高架的：位于上部的，在上方運轉的或來源于上部的
Of or relating to the operating expenses of a business.
（費用等）經(jīng)常的，管理的：屬于或關于企業(yè)運轉經(jīng)費的
n.（名詞）
The operating expenses of a business, including the costs of rent, utilities, interior decoration, and taxes, exclusive of labor and materials.
管理費用，經(jīng)常費用：企業(yè)的管理費用，包括租金、設備、內部裝修及繳稅等的花銷，但不包括工資和購買原料的費用
Nautical The top surface in an enclosed space of a ship.
【航?！?/i> 頂板：密閉的船艙的頂層
Something, such as a light fixture, that is located above head height.
頂部裝置：安裝在頭頂?shù)墓潭ㄑb置，如電燈裝置
Sports A stroke in a game, such as tennis or badminton, that is made with a hard downward motion from above the head.
【體育運動】 過頂扣球：如網(wǎng)球或羽毛球比賽中的一擊，伴隨著從頭頂猛烈向下的動作
An overhead projector.
頭頂投影機
adv.（副詞）

Over or above the level of the head; high or higher up:
在頭頂，在上面；向上或更向上：
例句：
look overhead.
向上看