名詞 operator:

1. (mathematics) a symbol that represents a function from functions to functions
2. an agent that operates some apparatus or machine
   同義詞：manipulator
3. someone who owns or operates a business
4. a shrewd or unscrupulous person who knows how to circumvent difficulties
   同義詞：hustler, wheeler dealer
5. a speculator who trades aggressively on stock or commodity markets

1. Ring the operator and ask for Freefone 8921.
   接通接線生，然後要免費通話8921號。
2. The radio operator sent (out) an appeal for help to headquarters.
   無線電報務(wù)員向司令部發(fā)出求救信號。
3. Operator, I've just been cut off.'
   ｀話務(wù)員，線路斷了.＇
4. Dial 100 for the operator.
   撥100找接線員。
5. I am a computer operator.
   我是一名計算機(jī)操作人員。

op.er.a.tor

n.（名詞）
One who operates a machine or device:
操作員：操作機(jī)器或設(shè)備的人：
例句：
a switchboard operator.
交換操作者

The owner or manager of a business or an industrial enterprise.
管理者：（工商企業(yè)的）經(jīng)營者或負(fù)責(zé)人
One who deals aggressively in stocks or commodities.
（在股市、商業(yè)界）積極交易的人
Informal A person who is adept at accomplishing goals through shrewd or unscrupulous maneuvers.
【非正式用語】 以計謀來達(dá)到目的的人
Mathematics A symbol, such as a plus sign, that represents an operation.
【數(shù)學(xué)】 運算符號：用來進(jìn)行運算的符號，如加號
A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.
DNA中的染色體元素：DNA中的染色體，它是通過與一特殊的約束因子相互作用而控制遺傳子結(jié)構(gòu)基因的行為