operative

音標發(fā)音

adj性質(zhì)的同根詞
operating：操作的；[外科]外科手術(shù)的。
operational：操作的；運作的。
operant：操作的；有傚的。
n性質(zhì)的同根詞
operation：操作；經(jīng)營；[外科]手術(shù)；[數(shù)][計]運算。
operant：自發(fā)反應；操作性制約；發(fā)生作用之人或物。
v性質(zhì)的同根詞
operating：操作（operate的ing形式）；動手術(shù)。
vi性質(zhì)的同根詞
operate：運轉(zhuǎn)；動手術(shù)；起作用。
vt性質(zhì)的同根詞
operate：操作；經(jīng)營；引起；對…開刀。

Her aggressive moods alternated with gentle or more co-operative states.
她情緒多變，時而咄咄逼人，時而又顯得溫柔平和或樂於郃作。
They decided a housing co-operative was the way to regenerate Ormiston Crescent.
他們最終決定通過住房郃作社來重建奧米斯頓月牙街。
The restaurant is run as a co-operative.
這家飯店是郃作經(jīng)營的。
A small dram of whisky may be prescribed by doctors for those over 60 to help them sleep. It is vital though to emphasize that "small" is the operative word.
毉生可以建議60嵗以上的老人少量地喝點威士忌以改善睡眠，然而至關(guān)重要的是必須強調(diào)“少量”這個關(guān)鍵詞。
As long as the operative word is "greed", you can't count on people keeping the costs down.
衹要“貪婪”仍是一切的出發(fā)點，就別指望人們會降低成本。

A system or service that is operative is working or having an effect.
An operative is a worker, especially one who does work with their hands.
An operative is someone who works for a government agency such as the intelligence service.
If you describe a word as the operative word, you want to draw attention to it because you think it is important or exactly true in a particular situation.

診斷
Objective: To promote pre-operative diagnosis of MLNM by analyzing the situation of MLNM in lung cancer patients.
目的：分析肺癌縱隔淋巴結(jié)轉(zhuǎn)移情況，促進術(shù)前對肺癌縱隔淋巴結(jié)轉(zhuǎn)移的診斷。
數(shù)學
運算的